Home / 3,998.12-5,997.05-1,076.32

Finding the Fourth Proportional to 3,998.12, 5,997.05 and 1,076.32

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Solution

The fourth proportional to 3,998.12, 5,997.05 and 1,076.32 is: 1,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.12 : 5,997.05 = 1,076.32 : x
  2. Step 2: Convert to fraction form
    3,998.12/5,997.05 = 1,076.32/x
  3. Step 3: Cross multiply
    3,998.12x = 5,997.05 × 1,076.32
  4. Step 4: Simplify right side
    3,998.12x = 6,454,709.49
  5. Step 5: Solve for x
    x = 6,454,709.49/3,998.12
  6. Step 6: Final answer
    x = 1,614.44

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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.