Home / 2,517.48-3,774.60-1,650.78

Finding the Fourth Proportional to 2,517.48, 3,774.60 and 1,650.78

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Solution

The fourth proportional to 2,517.48, 3,774.60 and 1,650.78 is: 2,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.48 : 3,774.60 = 1,650.78 : x
  2. Step 2: Convert to fraction form
    2,517.48/3,774.60 = 1,650.78/x
  3. Step 3: Cross multiply
    2,517.48x = 3,774.60 × 1,650.78
  4. Step 4: Simplify right side
    2,517.48x = 6,231,034.19
  5. Step 5: Solve for x
    x = 6,231,034.19/2,517.48
  6. Step 6: Final answer
    x = 2,475.11

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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.