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Finding the Fourth Proportional to 3,517.92, 4,854.72 and 1,945.92

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Solution

The fourth proportional to 3,517.92, 4,854.72 and 1,945.92 is: 2,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.92 : 4,854.72 = 1,945.92 : x
  2. Step 2: Convert to fraction form
    3,517.92/4,854.72 = 1,945.92/x
  3. Step 3: Cross multiply
    3,517.92x = 4,854.72 × 1,945.92
  4. Step 4: Simplify right side
    3,517.92x = 9,446,896.74
  5. Step 5: Solve for x
    x = 9,446,896.74/3,517.92
  6. Step 6: Final answer
    x = 2,685.36

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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.