Is this a law of multiple/definite proportions?

[Lori]

Homework Statement

Homework Equations

The Attempt at a Solution

I'm unsure of what to do for this problem. I can't seem to find the ratio of whole numbers that would work for this problem. Since i know that element x are the same masses[/B]

 

[mfb]

If compound A would be XY with the given masses, how much Y would you need to make XY₂ with 1 gram of X?

 

[Borek]

5.72/3.43 is quite close to one of possible ratios.