Home / 3,999.56-6,002.42-2,612.52

Finding the Fourth Proportional to 3,999.56, 6,002.42 and 2,612.52

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Solution

The fourth proportional to 3,999.56, 6,002.42 and 2,612.52 is: 3,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.56 : 6,002.42 = 2,612.52 : x
  2. Step 2: Convert to fraction form
    3,999.56/6,002.42 = 2,612.52/x
  3. Step 3: Cross multiply
    3,999.56x = 6,002.42 × 2,612.52
  4. Step 4: Simplify right side
    3,999.56x = 15,681,442.30
  5. Step 5: Solve for x
    x = 15,681,442.30/3,999.56
  6. Step 6: Final answer
    x = 3,920.79

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1.5x scale

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.