Home / 3,169.26-4,754.40-1,791.45

Finding the Fourth Proportional to 3,169.26, 4,754.40 and 1,791.45

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Solution

The fourth proportional to 3,169.26, 4,754.40 and 1,791.45 is: 2,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.26 : 4,754.40 = 1,791.45 : x
  2. Step 2: Convert to fraction form
    3,169.26/4,754.40 = 1,791.45/x
  3. Step 3: Cross multiply
    3,169.26x = 4,754.40 × 1,791.45
  4. Step 4: Simplify right side
    3,169.26x = 8,517,269.88
  5. Step 5: Solve for x
    x = 8,517,269.88/3,169.26
  6. Step 6: Final answer
    x = 2,687.46

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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.