Home / 4,079.40-6,112.12-2,231.84

Finding the Fourth Proportional to 4,079.40, 6,112.12 and 2,231.84

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Solution

The fourth proportional to 4,079.40, 6,112.12 and 2,231.84 is: 3,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.40 : 6,112.12 = 2,231.84 : x
  2. Step 2: Convert to fraction form
    4,079.40/6,112.12 = 2,231.84/x
  3. Step 3: Cross multiply
    4,079.40x = 6,112.12 × 2,231.84
  4. Step 4: Simplify right side
    4,079.40x = 13,641,273.90
  5. Step 5: Solve for x
    x = 13,641,273.90/4,079.40
  6. Step 6: Final answer
    x = 3,343.94

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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.