Home / 3,414.68-5,117.58-1,539.18

Finding the Fourth Proportional to 3,414.68, 5,117.58 and 1,539.18

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Solution

The fourth proportional to 3,414.68, 5,117.58 and 1,539.18 is: 2,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.68 : 5,117.58 = 1,539.18 : x
  2. Step 2: Convert to fraction form
    3,414.68/5,117.58 = 1,539.18/x
  3. Step 3: Cross multiply
    3,414.68x = 5,117.58 × 1,539.18
  4. Step 4: Simplify right side
    3,414.68x = 7,876,876.78
  5. Step 5: Solve for x
    x = 7,876,876.78/3,414.68
  6. Step 6: Final answer
    x = 2,306.77

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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.