Home / 2,675.26-4,013.09-727.43

Finding the Fourth Proportional to 2,675.26, 4,013.09 and 727.43

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Solution

The fourth proportional to 2,675.26, 4,013.09 and 727.43 is: 1,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.26 : 4,013.09 = 727.43 : x
  2. Step 2: Convert to fraction form
    2,675.26/4,013.09 = 727.43/x
  3. Step 3: Cross multiply
    2,675.26x = 4,013.09 × 727.43
  4. Step 4: Simplify right side
    2,675.26x = 2,919,238.42
  5. Step 5: Solve for x
    x = 2,919,238.42/2,675.26
  6. Step 6: Final answer
    x = 1,091.20

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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.