Home / 3,513.38-5,270.59-1,172.62

Finding the Fourth Proportional to 3,513.38, 5,270.59 and 1,172.62

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Solution

The fourth proportional to 3,513.38, 5,270.59 and 1,172.62 is: 1,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.38 : 5,270.59 = 1,172.62 : x
  2. Step 2: Convert to fraction form
    3,513.38/5,270.59 = 1,172.62/x
  3. Step 3: Cross multiply
    3,513.38x = 5,270.59 × 1,172.62
  4. Step 4: Simplify right side
    3,513.38x = 6,180,399.25
  5. Step 5: Solve for x
    x = 6,180,399.25/3,513.38
  6. Step 6: Final answer
    x = 1,759.10

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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.