Home / 3,997.78-5,996.26-1,076.38

Finding the Fourth Proportional to 3,997.78, 5,996.26 and 1,076.38

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Solution

The fourth proportional to 3,997.78, 5,996.26 and 1,076.38 is: 1,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.78 : 5,996.26 = 1,076.38 : x
  2. Step 2: Convert to fraction form
    3,997.78/5,996.26 = 1,076.38/x
  3. Step 3: Cross multiply
    3,997.78x = 5,996.26 × 1,076.38
  4. Step 4: Simplify right side
    3,997.78x = 6,454,254.34
  5. Step 5: Solve for x
    x = 6,454,254.34/3,997.78
  6. Step 6: Final answer
    x = 1,614.46

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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.