Home / 3,958.10-5,937.17-2,108.80

Finding the Fourth Proportional to 3,958.10, 5,937.17 and 2,108.80

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Solution

The fourth proportional to 3,958.10, 5,937.17 and 2,108.80 is: 3,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.10 : 5,937.17 = 2,108.80 : x
  2. Step 2: Convert to fraction form
    3,958.10/5,937.17 = 2,108.80/x
  3. Step 3: Cross multiply
    3,958.10x = 5,937.17 × 2,108.80
  4. Step 4: Simplify right side
    3,958.10x = 12,520,300.97
  5. Step 5: Solve for x
    x = 12,520,300.97/3,958.10
  6. Step 6: Final answer
    x = 3,163.21

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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.