Home / 3,715.80-5,569.92-2,072.04

Finding the Fourth Proportional to 3,715.80, 5,569.92 and 2,072.04

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Solution

The fourth proportional to 3,715.80, 5,569.92 and 2,072.04 is: 3,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.80 : 5,569.92 = 2,072.04 : x
  2. Step 2: Convert to fraction form
    3,715.80/5,569.92 = 2,072.04/x
  3. Step 3: Cross multiply
    3,715.80x = 5,569.92 × 2,072.04
  4. Step 4: Simplify right side
    3,715.80x = 11,541,097.04
  5. Step 5: Solve for x
    x = 11,541,097.04/3,715.80
  6. Step 6: Final answer
    x = 3,105.95

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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.