Home / 3,147.87-4,343.07-2,250.87

Finding the Fourth Proportional to 3,147.87, 4,343.07 and 2,250.87

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Solution

The fourth proportional to 3,147.87, 4,343.07 and 2,250.87 is: 3,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.87 : 4,343.07 = 2,250.87 : x
  2. Step 2: Convert to fraction form
    3,147.87/4,343.07 = 2,250.87/x
  3. Step 3: Cross multiply
    3,147.87x = 4,343.07 × 2,250.87
  4. Step 4: Simplify right side
    3,147.87x = 9,775,685.97
  5. Step 5: Solve for x
    x = 9,775,685.97/3,147.87
  6. Step 6: Final answer
    x = 3,105.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.