Home / 3,591.52-5,387.28-1,126.36

Finding the Fourth Proportional to 3,591.52, 5,387.28 and 1,126.36

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Solution

The fourth proportional to 3,591.52, 5,387.28 and 1,126.36 is: 1,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.52 : 5,387.28 = 1,126.36 : x
  2. Step 2: Convert to fraction form
    3,591.52/5,387.28 = 1,126.36/x
  3. Step 3: Cross multiply
    3,591.52x = 5,387.28 × 1,126.36
  4. Step 4: Simplify right side
    3,591.52x = 6,067,989.76
  5. Step 5: Solve for x
    x = 6,067,989.76/3,591.52
  6. Step 6: Final answer
    x = 1,689.53

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Half scale
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Double scale
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Similar ratio
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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.