Home / 2,134.16-3,201.24-1,647.92

Finding the Fourth Proportional to 2,134.16, 3,201.24 and 1,647.92

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Solution

The fourth proportional to 2,134.16, 3,201.24 and 1,647.92 is: 2,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.16 : 3,201.24 = 1,647.92 : x
  2. Step 2: Convert to fraction form
    2,134.16/3,201.24 = 1,647.92/x
  3. Step 3: Cross multiply
    2,134.16x = 3,201.24 × 1,647.92
  4. Step 4: Simplify right side
    2,134.16x = 5,275,387.42
  5. Step 5: Solve for x
    x = 5,275,387.42/2,134.16
  6. Step 6: Final answer
    x = 2,471.88

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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.