Home / 3,374.38-4,654.87-2,745.61

Finding the Fourth Proportional to 3,374.38, 4,654.87 and 2,745.61

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Solution

The fourth proportional to 3,374.38, 4,654.87 and 2,745.61 is: 3,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.38 : 4,654.87 = 2,745.61 : x
  2. Step 2: Convert to fraction form
    3,374.38/4,654.87 = 2,745.61/x
  3. Step 3: Cross multiply
    3,374.38x = 4,654.87 × 2,745.61
  4. Step 4: Simplify right side
    3,374.38x = 12,780,457.62
  5. Step 5: Solve for x
    x = 12,780,457.62/3,374.38
  6. Step 6: Final answer
    x = 3,787.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.