Home / 3,868.08-5,799.72-2,137.92

Finding the Fourth Proportional to 3,868.08, 5,799.72 and 2,137.92

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Solution

The fourth proportional to 3,868.08, 5,799.72 and 2,137.92 is: 3,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.08 : 5,799.72 = 2,137.92 : x
  2. Step 2: Convert to fraction form
    3,868.08/5,799.72 = 2,137.92/x
  3. Step 3: Cross multiply
    3,868.08x = 5,799.72 × 2,137.92
  4. Step 4: Simplify right side
    3,868.08x = 12,399,337.38
  5. Step 5: Solve for x
    x = 12,399,337.38/3,868.08
  6. Step 6: Final answer
    x = 3,205.55

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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.