Home / 3,625.29-5,436.79-2,236.55

Finding the Fourth Proportional to 3,625.29, 5,436.79 and 2,236.55

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Solution

The fourth proportional to 3,625.29, 5,436.79 and 2,236.55 is: 3,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.29 : 5,436.79 = 2,236.55 : x
  2. Step 2: Convert to fraction form
    3,625.29/5,436.79 = 2,236.55/x
  3. Step 3: Cross multiply
    3,625.29x = 5,436.79 × 2,236.55
  4. Step 4: Simplify right side
    3,625.29x = 12,159,619.90
  5. Step 5: Solve for x
    x = 12,159,619.90/3,625.29
  6. Step 6: Final answer
    x = 3,354.11

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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.