Home / 3,354.53-5,034.11-1,380.29

Finding the Fourth Proportional to 3,354.53, 5,034.11 and 1,380.29

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Solution

The fourth proportional to 3,354.53, 5,034.11 and 1,380.29 is: 2,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.53 : 5,034.11 = 1,380.29 : x
  2. Step 2: Convert to fraction form
    3,354.53/5,034.11 = 1,380.29/x
  3. Step 3: Cross multiply
    3,354.53x = 5,034.11 × 1,380.29
  4. Step 4: Simplify right side
    3,354.53x = 6,948,499.62
  5. Step 5: Solve for x
    x = 6,948,499.62/3,354.53
  6. Step 6: Final answer
    x = 2,071.38

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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.