Home / 3,791.18-5,687.98-2,230.86

Finding the Fourth Proportional to 3,791.18, 5,687.98 and 2,230.86

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Solution

The fourth proportional to 3,791.18, 5,687.98 and 2,230.86 is: 3,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.18 : 5,687.98 = 2,230.86 : x
  2. Step 2: Convert to fraction form
    3,791.18/5,687.98 = 2,230.86/x
  3. Step 3: Cross multiply
    3,791.18x = 5,687.98 × 2,230.86
  4. Step 4: Simplify right side
    3,791.18x = 12,689,087.06
  5. Step 5: Solve for x
    x = 12,689,087.06/3,791.18
  6. Step 6: Final answer
    x = 3,347.00

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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.