Home / 3,151.50-4,726.26-959.56

Finding the Fourth Proportional to 3,151.50, 4,726.26 and 959.56

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Solution

The fourth proportional to 3,151.50, 4,726.26 and 959.56 is: 1,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.50 : 4,726.26 = 959.56 : x
  2. Step 2: Convert to fraction form
    3,151.50/4,726.26 = 959.56/x
  3. Step 3: Cross multiply
    3,151.50x = 4,726.26 × 959.56
  4. Step 4: Simplify right side
    3,151.50x = 4,535,130.05
  5. Step 5: Solve for x
    x = 4,535,130.05/3,151.50
  6. Step 6: Final answer
    x = 1,439.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.