Home / 3,711.30-5,565.60-1,246.20

Finding the Fourth Proportional to 3,711.30, 5,565.60 and 1,246.20

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Solution

The fourth proportional to 3,711.30, 5,565.60 and 1,246.20 is: 1,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.30 : 5,565.60 = 1,246.20 : x
  2. Step 2: Convert to fraction form
    3,711.30/5,565.60 = 1,246.20/x
  3. Step 3: Cross multiply
    3,711.30x = 5,565.60 × 1,246.20
  4. Step 4: Simplify right side
    3,711.30x = 6,935,850.72
  5. Step 5: Solve for x
    x = 6,935,850.72/3,711.30
  6. Step 6: Final answer
    x = 1,868.85

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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.