Home / 3,724.28-5,585.70-1,126.52

Finding the Fourth Proportional to 3,724.28, 5,585.70 and 1,126.52

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Solution

The fourth proportional to 3,724.28, 5,585.70 and 1,126.52 is: 1,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.28 : 5,585.70 = 1,126.52 : x
  2. Step 2: Convert to fraction form
    3,724.28/5,585.70 = 1,126.52/x
  3. Step 3: Cross multiply
    3,724.28x = 5,585.70 × 1,126.52
  4. Step 4: Simplify right side
    3,724.28x = 6,292,402.76
  5. Step 5: Solve for x
    x = 6,292,402.76/3,724.28
  6. Step 6: Final answer
    x = 1,689.56

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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.