Home / 3,169.25-4,754.22-1,321.46

Finding the Fourth Proportional to 3,169.25, 4,754.22 and 1,321.46

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Solution

The fourth proportional to 3,169.25, 4,754.22 and 1,321.46 is: 1,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.25 : 4,754.22 = 1,321.46 : x
  2. Step 2: Convert to fraction form
    3,169.25/4,754.22 = 1,321.46/x
  3. Step 3: Cross multiply
    3,169.25x = 4,754.22 × 1,321.46
  4. Step 4: Simplify right side
    3,169.25x = 6,282,531.12
  5. Step 5: Solve for x
    x = 6,282,531.12/3,169.25
  6. Step 6: Final answer
    x = 1,982.34

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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.