Home / 2,839.92-3,917.82-1,660.47

Finding the Fourth Proportional to 2,839.92, 3,917.82 and 1,660.47

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Solution

The fourth proportional to 2,839.92, 3,917.82 and 1,660.47 is: 2,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.92 : 3,917.82 = 1,660.47 : x
  2. Step 2: Convert to fraction form
    2,839.92/3,917.82 = 1,660.47/x
  3. Step 3: Cross multiply
    2,839.92x = 3,917.82 × 1,660.47
  4. Step 4: Simplify right side
    2,839.92x = 6,505,422.58
  5. Step 5: Solve for x
    x = 6,505,422.58/2,839.92
  6. Step 6: Final answer
    x = 2,290.71

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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.