Home / 2,731.92-4,092.99-1,661.41

Finding the Fourth Proportional to 2,731.92, 4,092.99 and 1,661.41

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Solution

The fourth proportional to 2,731.92, 4,092.99 and 1,661.41 is: 2,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.92 : 4,092.99 = 1,661.41 : x
  2. Step 2: Convert to fraction form
    2,731.92/4,092.99 = 1,661.41/x
  3. Step 3: Cross multiply
    2,731.92x = 4,092.99 × 1,661.41
  4. Step 4: Simplify right side
    2,731.92x = 6,800,134.52
  5. Step 5: Solve for x
    x = 6,800,134.52/2,731.92
  6. Step 6: Final answer
    x = 2,489.14

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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.