Algebra Math Help

advanced algebra question!! inverse variations?

Question: Two quantities x and y, are inversely proportional. When x=3, y=4. Find the missing coordinates.
a. (4,y) b. (x,2) c.(1,y) d. (x,24)
what are the answers please help!!

y = k / x
4 = k / 3
k = 12

Equation:
y = 12 / x

a) x=4
y = 12 / 4
y = 3

b) y=2
2 = 12 / x
x = 6

c) x=1
y = 12 / 1
y = 12

d) y=24
24 = 12 / x
x = 1/2

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