Home / 3,173.96-4,761.38-1,324.65

Finding the Fourth Proportional to 3,173.96, 4,761.38 and 1,324.65

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Solution

The fourth proportional to 3,173.96, 4,761.38 and 1,324.65 is: 1,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.96 : 4,761.38 = 1,324.65 : x
  2. Step 2: Convert to fraction form
    3,173.96/4,761.38 = 1,324.65/x
  3. Step 3: Cross multiply
    3,173.96x = 4,761.38 × 1,324.65
  4. Step 4: Simplify right side
    3,173.96x = 6,307,138.78
  5. Step 5: Solve for x
    x = 6,307,138.78/3,173.96
  6. Step 6: Final answer
    x = 1,987.15

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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.