Home / 3,868.38-5,800.95-2,114.82

Finding the Fourth Proportional to 3,868.38, 5,800.95 and 2,114.82

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Solution

The fourth proportional to 3,868.38, 5,800.95 and 2,114.82 is: 3,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.38 : 5,800.95 = 2,114.82 : x
  2. Step 2: Convert to fraction form
    3,868.38/5,800.95 = 2,114.82/x
  3. Step 3: Cross multiply
    3,868.38x = 5,800.95 × 2,114.82
  4. Step 4: Simplify right side
    3,868.38x = 12,267,965.08
  5. Step 5: Solve for x
    x = 12,267,965.08/3,868.38
  6. Step 6: Final answer
    x = 3,171.34

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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.