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Finding the Fourth Proportional to 3,997.44, 5,992.11 and 1,914.39

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Solution

The fourth proportional to 3,997.44, 5,992.11 and 1,914.39 is: 2,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.44 : 5,992.11 = 1,914.39 : x
  2. Step 2: Convert to fraction form
    3,997.44/5,992.11 = 1,914.39/x
  3. Step 3: Cross multiply
    3,997.44x = 5,992.11 × 1,914.39
  4. Step 4: Simplify right side
    3,997.44x = 11,471,235.46
  5. Step 5: Solve for x
    x = 11,471,235.46/3,997.44
  6. Step 6: Final answer
    x = 2,869.65

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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.