Home / 3,687.28-5,531.38-1,346.92

Finding the Fourth Proportional to 3,687.28, 5,531.38 and 1,346.92

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Solution

The fourth proportional to 3,687.28, 5,531.38 and 1,346.92 is: 2,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.28 : 5,531.38 = 1,346.92 : x
  2. Step 2: Convert to fraction form
    3,687.28/5,531.38 = 1,346.92/x
  3. Step 3: Cross multiply
    3,687.28x = 5,531.38 × 1,346.92
  4. Step 4: Simplify right side
    3,687.28x = 7,450,309.15
  5. Step 5: Solve for x
    x = 7,450,309.15/3,687.28
  6. Step 6: Final answer
    x = 2,020.54

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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.