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Finding the Fourth Proportional to 3,381.54, 5,071.99 and 2,398.56

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Solution

The fourth proportional to 3,381.54, 5,071.99 and 2,398.56 is: 3,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.54 : 5,071.99 = 2,398.56 : x
  2. Step 2: Convert to fraction form
    3,381.54/5,071.99 = 2,398.56/x
  3. Step 3: Cross multiply
    3,381.54x = 5,071.99 × 2,398.56
  4. Step 4: Simplify right side
    3,381.54x = 12,165,440.98
  5. Step 5: Solve for x
    x = 12,165,440.98/3,381.54
  6. Step 6: Final answer
    x = 3,597.61

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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.