Home / 2,723.38-3,759.27-1,729.30

Finding the Fourth Proportional to 2,723.38, 3,759.27 and 1,729.30

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Solution

The fourth proportional to 2,723.38, 3,759.27 and 1,729.30 is: 2,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.38 : 3,759.27 = 1,729.30 : x
  2. Step 2: Convert to fraction form
    2,723.38/3,759.27 = 1,729.30/x
  3. Step 3: Cross multiply
    2,723.38x = 3,759.27 × 1,729.30
  4. Step 4: Simplify right side
    2,723.38x = 6,500,905.61
  5. Step 5: Solve for x
    x = 6,500,905.61/2,723.38
  6. Step 6: Final answer
    x = 2,387.07

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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.