Home / 3,381.95-5,063.97-2,720.69

Finding the Fourth Proportional to 3,381.95, 5,063.97 and 2,720.69

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Solution

The fourth proportional to 3,381.95, 5,063.97 and 2,720.69 is: 4,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.95 : 5,063.97 = 2,720.69 : x
  2. Step 2: Convert to fraction form
    3,381.95/5,063.97 = 2,720.69/x
  3. Step 3: Cross multiply
    3,381.95x = 5,063.97 × 2,720.69
  4. Step 4: Simplify right side
    3,381.95x = 13,777,481.11
  5. Step 5: Solve for x
    x = 13,777,481.11/3,381.95
  6. Step 6: Final answer
    x = 4,073.82

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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.