Home / 3,240.38-4,471.95-1,824.20

Finding the Fourth Proportional to 3,240.38, 4,471.95 and 1,824.20

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Solution

The fourth proportional to 3,240.38, 4,471.95 and 1,824.20 is: 2,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.38 : 4,471.95 = 1,824.20 : x
  2. Step 2: Convert to fraction form
    3,240.38/4,471.95 = 1,824.20/x
  3. Step 3: Cross multiply
    3,240.38x = 4,471.95 × 1,824.20
  4. Step 4: Simplify right side
    3,240.38x = 8,157,722.07
  5. Step 5: Solve for x
    x = 8,157,722.07/3,240.38
  6. Step 6: Final answer
    x = 2,517.52

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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.