Home / 3,163.12-4,743.29-2,433.20

Finding the Fourth Proportional to 3,163.12, 4,743.29 and 2,433.20

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Solution

The fourth proportional to 3,163.12, 4,743.29 and 2,433.20 is: 3,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.12 : 4,743.29 = 2,433.20 : x
  2. Step 2: Convert to fraction form
    3,163.12/4,743.29 = 2,433.20/x
  3. Step 3: Cross multiply
    3,163.12x = 4,743.29 × 2,433.20
  4. Step 4: Simplify right side
    3,163.12x = 11,541,355.59
  5. Step 5: Solve for x
    x = 11,541,355.59/3,163.12
  6. Step 6: Final answer
    x = 3,648.73

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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.