Home / 2,691.75-4,032.19-1,375.44

Finding the Fourth Proportional to 2,691.75, 4,032.19 and 1,375.44

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Solution

The fourth proportional to 2,691.75, 4,032.19 and 1,375.44 is: 2,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.75 : 4,032.19 = 1,375.44 : x
  2. Step 2: Convert to fraction form
    2,691.75/4,032.19 = 1,375.44/x
  3. Step 3: Cross multiply
    2,691.75x = 4,032.19 × 1,375.44
  4. Step 4: Simplify right side
    2,691.75x = 5,546,035.41
  5. Step 5: Solve for x
    x = 5,546,035.41/2,691.75
  6. Step 6: Final answer
    x = 2,060.38

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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.