If a ∝ b and a ∝ c, why do you multiply b and c together to find the constant?(adsbygoogle = window.adsbygoogle || []).push({});

I also noticed something, but am not sure of the reason why. If you find the constants individually for each expression and combine them all, you get a the the power of the number of expressions

e.g.

a ∝ b

a ∝ c

a ∝ d

So the individual constants would be say, k1, k2 and k3 respectively. If you then multiply it all together

a ∝ (k1b)(k2c)(k3d)

You get a^3

If there're expressions, then a^4 etc. All of the numbers I've tried so far have yielded the result but I'm not sure why that's happening

Thanks

**Physics Forums - The Fusion of Science and Community**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Constant of proportionality

Loading...

Similar Threads - Constant proportionality | Date |
---|---|

B Constants in Mathematics | Jan 22, 2018 |

I Constant raised to complex numbers | May 22, 2017 |

I Does Noether theorem explain the constant speed of light? | Dec 12, 2016 |

I Express x in terms of the constants | Nov 26, 2016 |

Why a(pt=proportional to) pt b and a pt c implies a pt bc? | Feb 6, 2016 |

**Physics Forums - The Fusion of Science and Community**