Home / 1,332.91-2,001.14-1,139.16

Finding the Fourth Proportional to 1,332.91, 2,001.14 and 1,139.16

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Solution

The fourth proportional to 1,332.91, 2,001.14 and 1,139.16 is: 1,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.91 : 2,001.14 = 1,139.16 : x
  2. Step 2: Convert to fraction form
    1,332.91/2,001.14 = 1,139.16/x
  3. Step 3: Cross multiply
    1,332.91x = 2,001.14 × 1,139.16
  4. Step 4: Simplify right side
    1,332.91x = 2,279,618.64
  5. Step 5: Solve for x
    x = 2,279,618.64/1,332.91
  6. Step 6: Final answer
    x = 1,710.26

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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.