Home / 3,728.22-5,591.97-1,131.18

Finding the Fourth Proportional to 3,728.22, 5,591.97 and 1,131.18

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Solution

The fourth proportional to 3,728.22, 5,591.97 and 1,131.18 is: 1,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.22 : 5,591.97 = 1,131.18 : x
  2. Step 2: Convert to fraction form
    3,728.22/5,591.97 = 1,131.18/x
  3. Step 3: Cross multiply
    3,728.22x = 5,591.97 × 1,131.18
  4. Step 4: Simplify right side
    3,728.22x = 6,325,524.62
  5. Step 5: Solve for x
    x = 6,325,524.62/3,728.22
  6. Step 6: Final answer
    x = 1,696.66

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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.