Home / 3,984.44-5,974.34-1,351.05

Finding the Fourth Proportional to 3,984.44, 5,974.34 and 1,351.05

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Solution

The fourth proportional to 3,984.44, 5,974.34 and 1,351.05 is: 2,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.44 : 5,974.34 = 1,351.05 : x
  2. Step 2: Convert to fraction form
    3,984.44/5,974.34 = 1,351.05/x
  3. Step 3: Cross multiply
    3,984.44x = 5,974.34 × 1,351.05
  4. Step 4: Simplify right side
    3,984.44x = 8,071,625.30
  5. Step 5: Solve for x
    x = 8,071,625.30/3,984.44
  6. Step 6: Final answer
    x = 2,025.79

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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.