Home / 3,981.48-5,972.99-1,349.42

Finding the Fourth Proportional to 3,981.48, 5,972.99 and 1,349.42

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Solution

The fourth proportional to 3,981.48, 5,972.99 and 1,349.42 is: 2,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.48 : 5,972.99 = 1,349.42 : x
  2. Step 2: Convert to fraction form
    3,981.48/5,972.99 = 1,349.42/x
  3. Step 3: Cross multiply
    3,981.48x = 5,972.99 × 1,349.42
  4. Step 4: Simplify right side
    3,981.48x = 8,060,061.97
  5. Step 5: Solve for x
    x = 8,060,061.97/3,981.48
  6. Step 6: Final answer
    x = 2,024.39

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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.