Home / 3,242.25-4,474.31-1,845

Finding the Fourth Proportional to 3,242.25, 4,474.31 and 1,845

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Solution

The fourth proportional to 3,242.25, 4,474.31 and 1,845 is: 2,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.25 : 4,474.31 = 1,845 : x
  2. Step 2: Convert to fraction form
    3,242.25/4,474.31 = 1,845/x
  3. Step 3: Cross multiply
    3,242.25x = 4,474.31 × 1,845
  4. Step 4: Simplify right side
    3,242.25x = 8,255,092.73
  5. Step 5: Solve for x
    x = 8,255,092.73/3,242.25
  6. Step 6: Final answer
    x = 2,546.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.