Home / 3,787.16-5,686.20-3,377.70

Finding the Fourth Proportional to 3,787.16, 5,686.20 and 3,377.70

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Solution

The fourth proportional to 3,787.16, 5,686.20 and 3,377.70 is: 5,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.16 : 5,686.20 = 3,377.70 : x
  2. Step 2: Convert to fraction form
    3,787.16/5,686.20 = 3,377.70/x
  3. Step 3: Cross multiply
    3,787.16x = 5,686.20 × 3,377.70
  4. Step 4: Simplify right side
    3,787.16x = 19,206,277.74
  5. Step 5: Solve for x
    x = 19,206,277.74/3,787.16
  6. Step 6: Final answer
    x = 5,071.43

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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.