Home / 3,868.52-5,800.19-1,787.38

Finding the Fourth Proportional to 3,868.52, 5,800.19 and 1,787.38

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Solution

The fourth proportional to 3,868.52, 5,800.19 and 1,787.38 is: 2,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.52 : 5,800.19 = 1,787.38 : x
  2. Step 2: Convert to fraction form
    3,868.52/5,800.19 = 1,787.38/x
  3. Step 3: Cross multiply
    3,868.52x = 5,800.19 × 1,787.38
  4. Step 4: Simplify right side
    3,868.52x = 10,367,120.16
  5. Step 5: Solve for x
    x = 10,367,120.16/3,868.52
  6. Step 6: Final answer
    x = 2,679.87

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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.