Home / 3,240.97-4,471.78-2,355.24

Finding the Fourth Proportional to 3,240.97, 4,471.78 and 2,355.24

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Solution

The fourth proportional to 3,240.97, 4,471.78 and 2,355.24 is: 3,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.97 : 4,471.78 = 2,355.24 : x
  2. Step 2: Convert to fraction form
    3,240.97/4,471.78 = 2,355.24/x
  3. Step 3: Cross multiply
    3,240.97x = 4,471.78 × 2,355.24
  4. Step 4: Simplify right side
    3,240.97x = 10,532,115.13
  5. Step 5: Solve for x
    x = 10,532,115.13/3,240.97
  6. Step 6: Final answer
    x = 3,249.68

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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.