Home / 3,242.48-4,863.76-1,487.42

Finding the Fourth Proportional to 3,242.48, 4,863.76 and 1,487.42

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Solution

The fourth proportional to 3,242.48, 4,863.76 and 1,487.42 is: 2,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.48 : 4,863.76 = 1,487.42 : x
  2. Step 2: Convert to fraction form
    3,242.48/4,863.76 = 1,487.42/x
  3. Step 3: Cross multiply
    3,242.48x = 4,863.76 × 1,487.42
  4. Step 4: Simplify right side
    3,242.48x = 7,234,453.90
  5. Step 5: Solve for x
    x = 7,234,453.90/3,242.48
  6. Step 6: Final answer
    x = 2,231.15

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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.