Home / 3,391.44-5,087.97-1,170.30

Finding the Fourth Proportional to 3,391.44, 5,087.97 and 1,170.30

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Solution

The fourth proportional to 3,391.44, 5,087.97 and 1,170.30 is: 1,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.44 : 5,087.97 = 1,170.30 : x
  2. Step 2: Convert to fraction form
    3,391.44/5,087.97 = 1,170.30/x
  3. Step 3: Cross multiply
    3,391.44x = 5,087.97 × 1,170.30
  4. Step 4: Simplify right side
    3,391.44x = 5,954,451.29
  5. Step 5: Solve for x
    x = 5,954,451.29/3,391.44
  6. Step 6: Final answer
    x = 1,755.73

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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.