Home / 1,839.97-2,753.88-1,147.15

Finding the Fourth Proportional to 1,839.97, 2,753.88 and 1,147.15

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Solution

The fourth proportional to 1,839.97, 2,753.88 and 1,147.15 is: 1,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.97 : 2,753.88 = 1,147.15 : x
  2. Step 2: Convert to fraction form
    1,839.97/2,753.88 = 1,147.15/x
  3. Step 3: Cross multiply
    1,839.97x = 2,753.88 × 1,147.15
  4. Step 4: Simplify right side
    1,839.97x = 3,159,113.44
  5. Step 5: Solve for x
    x = 3,159,113.44/1,839.97
  6. Step 6: Final answer
    x = 1,716.94

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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.