Home / 3,391.17-5,087.55-1,170.09

Finding the Fourth Proportional to 3,391.17, 5,087.55 and 1,170.09

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Solution

The fourth proportional to 3,391.17, 5,087.55 and 1,170.09 is: 1,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.17 : 5,087.55 = 1,170.09 : x
  2. Step 2: Convert to fraction form
    3,391.17/5,087.55 = 1,170.09/x
  3. Step 3: Cross multiply
    3,391.17x = 5,087.55 × 1,170.09
  4. Step 4: Simplify right side
    3,391.17x = 5,952,891.38
  5. Step 5: Solve for x
    x = 5,952,891.38/3,391.17
  6. Step 6: Final answer
    x = 1,755.41

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1.5x scale

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.