Home / 3,517.35-4,853.57-2,191.20

Finding the Fourth Proportional to 3,517.35, 4,853.57 and 2,191.20

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Solution

The fourth proportional to 3,517.35, 4,853.57 and 2,191.20 is: 3,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.35 : 4,853.57 = 2,191.20 : x
  2. Step 2: Convert to fraction form
    3,517.35/4,853.57 = 2,191.20/x
  3. Step 3: Cross multiply
    3,517.35x = 4,853.57 × 2,191.20
  4. Step 4: Simplify right side
    3,517.35x = 10,635,142.58
  5. Step 5: Solve for x
    x = 10,635,142.58/3,517.35
  6. Step 6: Final answer
    x = 3,023.62

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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.