Home / 3,999.08-5,517.25-2,319.55

Finding the Fourth Proportional to 3,999.08, 5,517.25 and 2,319.55

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Solution

The fourth proportional to 3,999.08, 5,517.25 and 2,319.55 is: 3,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.08 : 5,517.25 = 2,319.55 : x
  2. Step 2: Convert to fraction form
    3,999.08/5,517.25 = 2,319.55/x
  3. Step 3: Cross multiply
    3,999.08x = 5,517.25 × 2,319.55
  4. Step 4: Simplify right side
    3,999.08x = 12,797,517.65
  5. Step 5: Solve for x
    x = 12,797,517.65/3,999.08
  6. Step 6: Final answer
    x = 3,200.11

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1.5x scale

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.