Home / 2,517.54-3,775.92-1,285.86

Finding the Fourth Proportional to 2,517.54, 3,775.92 and 1,285.86

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Solution

The fourth proportional to 2,517.54, 3,775.92 and 1,285.86 is: 1,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.54 : 3,775.92 = 1,285.86 : x
  2. Step 2: Convert to fraction form
    2,517.54/3,775.92 = 1,285.86/x
  3. Step 3: Cross multiply
    2,517.54x = 3,775.92 × 1,285.86
  4. Step 4: Simplify right side
    2,517.54x = 4,855,304.49
  5. Step 5: Solve for x
    x = 4,855,304.49/2,517.54
  6. Step 6: Final answer
    x = 1,928.59

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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.