Home / 3,943.75-5,919.27-1,997.32

Finding the Fourth Proportional to 3,943.75, 5,919.27 and 1,997.32

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Solution

The fourth proportional to 3,943.75, 5,919.27 and 1,997.32 is: 2,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.75 : 5,919.27 = 1,997.32 : x
  2. Step 2: Convert to fraction form
    3,943.75/5,919.27 = 1,997.32/x
  3. Step 3: Cross multiply
    3,943.75x = 5,919.27 × 1,997.32
  4. Step 4: Simplify right side
    3,943.75x = 11,822,654.07
  5. Step 5: Solve for x
    x = 11,822,654.07/3,943.75
  6. Step 6: Final answer
    x = 2,997.82

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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.