Home / 2,650.44-3,972.42-1,351.20

Finding the Fourth Proportional to 2,650.44, 3,972.42 and 1,351.20

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Solution

The fourth proportional to 2,650.44, 3,972.42 and 1,351.20 is: 2,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.44 : 3,972.42 = 1,351.20 : x
  2. Step 2: Convert to fraction form
    2,650.44/3,972.42 = 1,351.20/x
  3. Step 3: Cross multiply
    2,650.44x = 3,972.42 × 1,351.20
  4. Step 4: Simplify right side
    2,650.44x = 5,367,533.90
  5. Step 5: Solve for x
    x = 5,367,533.90/2,650.44
  6. Step 6: Final answer
    x = 2,025.15

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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.