Home / 3,414.10-5,121.96-1,659.96

Finding the Fourth Proportional to 3,414.10, 5,121.96 and 1,659.96

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Solution

The fourth proportional to 3,414.10, 5,121.96 and 1,659.96 is: 2,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.10 : 5,121.96 = 1,659.96 : x
  2. Step 2: Convert to fraction form
    3,414.10/5,121.96 = 1,659.96/x
  3. Step 3: Cross multiply
    3,414.10x = 5,121.96 × 1,659.96
  4. Step 4: Simplify right side
    3,414.10x = 8,502,248.72
  5. Step 5: Solve for x
    x = 8,502,248.72/3,414.10
  6. Step 6: Final answer
    x = 2,490.33

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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.