If x, 12, 8 and 32 are in proportion, then the value of x is

1. 6
2. 4
3. 3
4. 2

The table shows the values of x and y, where x is proportional to y.

1. M = 4, N = 9

2. M = 9, N = 3

3. M = 9, N = 4

4. M = 12, N = 0