Home / 3,974.22-5,961.36-1,200.90

Finding the Fourth Proportional to 3,974.22, 5,961.36 and 1,200.90

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Solution

The fourth proportional to 3,974.22, 5,961.36 and 1,200.90 is: 1,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.22 : 5,961.36 = 1,200.90 : x
  2. Step 2: Convert to fraction form
    3,974.22/5,961.36 = 1,200.90/x
  3. Step 3: Cross multiply
    3,974.22x = 5,961.36 × 1,200.90
  4. Step 4: Simplify right side
    3,974.22x = 7,158,997.22
  5. Step 5: Solve for x
    x = 7,158,997.22/3,974.22
  6. Step 6: Final answer
    x = 1,801.36

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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.