Home / 3,240.38-4,471.74-1,843.13

Finding the Fourth Proportional to 3,240.38, 4,471.74 and 1,843.13

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Solution

The fourth proportional to 3,240.38, 4,471.74 and 1,843.13 is: 2,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.38 : 4,471.74 = 1,843.13 : x
  2. Step 2: Convert to fraction form
    3,240.38/4,471.74 = 1,843.13/x
  3. Step 3: Cross multiply
    3,240.38x = 4,471.74 × 1,843.13
  4. Step 4: Simplify right side
    3,240.38x = 8,241,975.79
  5. Step 5: Solve for x
    x = 8,241,975.79/3,240.38
  6. Step 6: Final answer
    x = 2,543.53

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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.