Home / 3,517.80-4,853.97-2,191.92

Finding the Fourth Proportional to 3,517.80, 4,853.97 and 2,191.92

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Solution

The fourth proportional to 3,517.80, 4,853.97 and 2,191.92 is: 3,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.80 : 4,853.97 = 2,191.92 : x
  2. Step 2: Convert to fraction form
    3,517.80/4,853.97 = 2,191.92/x
  3. Step 3: Cross multiply
    3,517.80x = 4,853.97 × 2,191.92
  4. Step 4: Simplify right side
    3,517.80x = 10,639,513.92
  5. Step 5: Solve for x
    x = 10,639,513.92/3,517.80
  6. Step 6: Final answer
    x = 3,024.48

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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.