Home / 3,428.46-5,142.72-2,701.92

Finding the Fourth Proportional to 3,428.46, 5,142.72 and 2,701.92

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Solution

The fourth proportional to 3,428.46, 5,142.72 and 2,701.92 is: 4,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.46 : 5,142.72 = 2,701.92 : x
  2. Step 2: Convert to fraction form
    3,428.46/5,142.72 = 2,701.92/x
  3. Step 3: Cross multiply
    3,428.46x = 5,142.72 × 2,701.92
  4. Step 4: Simplify right side
    3,428.46x = 13,895,218.02
  5. Step 5: Solve for x
    x = 13,895,218.02/3,428.46
  6. Step 6: Final answer
    x = 4,052.90

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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.