Home / 4,001.20-5,993.84-3,131.44

Finding the Fourth Proportional to 4,001.20, 5,993.84 and 3,131.44

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Solution

The fourth proportional to 4,001.20, 5,993.84 and 3,131.44 is: 4,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.20 : 5,993.84 = 3,131.44 : x
  2. Step 2: Convert to fraction form
    4,001.20/5,993.84 = 3,131.44/x
  3. Step 3: Cross multiply
    4,001.20x = 5,993.84 × 3,131.44
  4. Step 4: Simplify right side
    4,001.20x = 18,769,350.33
  5. Step 5: Solve for x
    x = 18,769,350.33/4,001.20
  6. Step 6: Final answer
    x = 4,690.93

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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.