Home / 3,587.41-5,381.52-1,247.14

Finding the Fourth Proportional to 3,587.41, 5,381.52 and 1,247.14

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Solution

The fourth proportional to 3,587.41, 5,381.52 and 1,247.14 is: 1,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.41 : 5,381.52 = 1,247.14 : x
  2. Step 2: Convert to fraction form
    3,587.41/5,381.52 = 1,247.14/x
  3. Step 3: Cross multiply
    3,587.41x = 5,381.52 × 1,247.14
  4. Step 4: Simplify right side
    3,587.41x = 6,711,508.85
  5. Step 5: Solve for x
    x = 6,711,508.85/3,587.41
  6. Step 6: Final answer
    x = 1,870.85

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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.