Home / 3,787.70-5,677.61-2,226.43

Finding the Fourth Proportional to 3,787.70, 5,677.61 and 2,226.43

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Solution

The fourth proportional to 3,787.70, 5,677.61 and 2,226.43 is: 3,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.70 : 5,677.61 = 2,226.43 : x
  2. Step 2: Convert to fraction form
    3,787.70/5,677.61 = 2,226.43/x
  3. Step 3: Cross multiply
    3,787.70x = 5,677.61 × 2,226.43
  4. Step 4: Simplify right side
    3,787.70x = 12,640,775.91
  5. Step 5: Solve for x
    x = 12,640,775.91/3,787.70
  6. Step 6: Final answer
    x = 3,337.32

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1.5x scale

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.