Home / 1,132.59-1,561.64-966.27

Finding the Fourth Proportional to 1,132.59, 1,561.64 and 966.27

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Solution

The fourth proportional to 1,132.59, 1,561.64 and 966.27 is: 1,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.59 : 1,561.64 = 966.27 : x
  2. Step 2: Convert to fraction form
    1,132.59/1,561.64 = 966.27/x
  3. Step 3: Cross multiply
    1,132.59x = 1,561.64 × 966.27
  4. Step 4: Simplify right side
    1,132.59x = 1,508,961.05
  5. Step 5: Solve for x
    x = 1,508,961.05/1,132.59
  6. Step 6: Final answer
    x = 1,332.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.