Home / 3,591.38-5,387.07-1,126.42

Finding the Fourth Proportional to 3,591.38, 5,387.07 and 1,126.42

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Solution

The fourth proportional to 3,591.38, 5,387.07 and 1,126.42 is: 1,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.38 : 5,387.07 = 1,126.42 : x
  2. Step 2: Convert to fraction form
    3,591.38/5,387.07 = 1,126.42/x
  3. Step 3: Cross multiply
    3,591.38x = 5,387.07 × 1,126.42
  4. Step 4: Simplify right side
    3,591.38x = 6,068,094.15
  5. Step 5: Solve for x
    x = 6,068,094.15/3,591.38
  6. Step 6: Final answer
    x = 1,689.63

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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.