Home / 3,187.29-4,394.66-2,744.43

Finding the Fourth Proportional to 3,187.29, 4,394.66 and 2,744.43

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Solution

The fourth proportional to 3,187.29, 4,394.66 and 2,744.43 is: 3,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.29 : 4,394.66 = 2,744.43 : x
  2. Step 2: Convert to fraction form
    3,187.29/4,394.66 = 2,744.43/x
  3. Step 3: Cross multiply
    3,187.29x = 4,394.66 × 2,744.43
  4. Step 4: Simplify right side
    3,187.29x = 12,060,823.02
  5. Step 5: Solve for x
    x = 12,060,823.02/3,187.29
  6. Step 6: Final answer
    x = 3,784.04

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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.