Home / 3,605.30-5,404.23-2,615.65

Finding the Fourth Proportional to 3,605.30, 5,404.23 and 2,615.65

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Solution

The fourth proportional to 3,605.30, 5,404.23 and 2,615.65 is: 3,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.30 : 5,404.23 = 2,615.65 : x
  2. Step 2: Convert to fraction form
    3,605.30/5,404.23 = 2,615.65/x
  3. Step 3: Cross multiply
    3,605.30x = 5,404.23 × 2,615.65
  4. Step 4: Simplify right side
    3,605.30x = 14,135,567.23
  5. Step 5: Solve for x
    x = 14,135,567.23/3,605.30
  6. Step 6: Final answer
    x = 3,920.78

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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.