Home / 3,609.39-5,405.57-2,823.90

Finding the Fourth Proportional to 3,609.39, 5,405.57 and 2,823.90

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Solution

The fourth proportional to 3,609.39, 5,405.57 and 2,823.90 is: 4,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.39 : 5,405.57 = 2,823.90 : x
  2. Step 2: Convert to fraction form
    3,609.39/5,405.57 = 2,823.90/x
  3. Step 3: Cross multiply
    3,609.39x = 5,405.57 × 2,823.90
  4. Step 4: Simplify right side
    3,609.39x = 15,264,789.12
  5. Step 5: Solve for x
    x = 15,264,789.12/3,609.39
  6. Step 6: Final answer
    x = 4,229.19

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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.