Home / 3,680.24-5,522.85-1,489.19

Finding the Fourth Proportional to 3,680.24, 5,522.85 and 1,489.19

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Solution

The fourth proportional to 3,680.24, 5,522.85 and 1,489.19 is: 2,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.24 : 5,522.85 = 1,489.19 : x
  2. Step 2: Convert to fraction form
    3,680.24/5,522.85 = 1,489.19/x
  3. Step 3: Cross multiply
    3,680.24x = 5,522.85 × 1,489.19
  4. Step 4: Simplify right side
    3,680.24x = 8,224,545.38
  5. Step 5: Solve for x
    x = 8,224,545.38/3,680.24
  6. Step 6: Final answer
    x = 2,234.79

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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.