Home / 3,513.29-5,265.92-1,172.75

Finding the Fourth Proportional to 3,513.29, 5,265.92 and 1,172.75

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Solution

The fourth proportional to 3,513.29, 5,265.92 and 1,172.75 is: 1,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.29 : 5,265.92 = 1,172.75 : x
  2. Step 2: Convert to fraction form
    3,513.29/5,265.92 = 1,172.75/x
  3. Step 3: Cross multiply
    3,513.29x = 5,265.92 × 1,172.75
  4. Step 4: Simplify right side
    3,513.29x = 6,175,584.28
  5. Step 5: Solve for x
    x = 6,175,584.28/3,513.29
  6. Step 6: Final answer
    x = 1,757.78

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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.