Home / 3,680.40-5,517.36-1,734.96

Finding the Fourth Proportional to 3,680.40, 5,517.36 and 1,734.96

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Solution

The fourth proportional to 3,680.40, 5,517.36 and 1,734.96 is: 2,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.40 : 5,517.36 = 1,734.96 : x
  2. Step 2: Convert to fraction form
    3,680.40/5,517.36 = 1,734.96/x
  3. Step 3: Cross multiply
    3,680.40x = 5,517.36 × 1,734.96
  4. Step 4: Simplify right side
    3,680.40x = 9,572,398.91
  5. Step 5: Solve for x
    x = 9,572,398.91/3,680.40
  6. Step 6: Final answer
    x = 2,600.91

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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.