Home / 3,910.98-5,388.03-2,729.94

Finding the Fourth Proportional to 3,910.98, 5,388.03 and 2,729.94

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Solution

The fourth proportional to 3,910.98, 5,388.03 and 2,729.94 is: 3,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.98 : 5,388.03 = 2,729.94 : x
  2. Step 2: Convert to fraction form
    3,910.98/5,388.03 = 2,729.94/x
  3. Step 3: Cross multiply
    3,910.98x = 5,388.03 × 2,729.94
  4. Step 4: Simplify right side
    3,910.98x = 14,708,998.62
  5. Step 5: Solve for x
    x = 14,708,998.62/3,910.98
  6. Step 6: Final answer
    x = 3,760.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.