Home / 4,150.78-5,727.92-2,262.32

Finding the Fourth Proportional to 4,150.78, 5,727.92 and 2,262.32

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Solution

The fourth proportional to 4,150.78, 5,727.92 and 2,262.32 is: 3,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.78 : 5,727.92 = 2,262.32 : x
  2. Step 2: Convert to fraction form
    4,150.78/5,727.92 = 2,262.32/x
  3. Step 3: Cross multiply
    4,150.78x = 5,727.92 × 2,262.32
  4. Step 4: Simplify right side
    4,150.78x = 12,958,387.97
  5. Step 5: Solve for x
    x = 12,958,387.97/4,150.78
  6. Step 6: Final answer
    x = 3,121.92

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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.