Home / 2,743.71-4,108.26-2,144.76

Finding the Fourth Proportional to 2,743.71, 4,108.26 and 2,144.76

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Solution

The fourth proportional to 2,743.71, 4,108.26 and 2,144.76 is: 3,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.71 : 4,108.26 = 2,144.76 : x
  2. Step 2: Convert to fraction form
    2,743.71/4,108.26 = 2,144.76/x
  3. Step 3: Cross multiply
    2,743.71x = 4,108.26 × 2,144.76
  4. Step 4: Simplify right side
    2,743.71x = 8,811,231.72
  5. Step 5: Solve for x
    x = 8,811,231.72/2,743.71
  6. Step 6: Final answer
    x = 3,211.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.