Home / 3,273.80-4,912.25-1,629.90

Finding the Fourth Proportional to 3,273.80, 4,912.25 and 1,629.90

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Solution

The fourth proportional to 3,273.80, 4,912.25 and 1,629.90 is: 2,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.80 : 4,912.25 = 1,629.90 : x
  2. Step 2: Convert to fraction form
    3,273.80/4,912.25 = 1,629.90/x
  3. Step 3: Cross multiply
    3,273.80x = 4,912.25 × 1,629.90
  4. Step 4: Simplify right side
    3,273.80x = 8,006,468.13
  5. Step 5: Solve for x
    x = 8,006,468.13/3,273.80
  6. Step 6: Final answer
    x = 2,445.62

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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.