Home / 3,943.66-5,439.62-2,997.34

Finding the Fourth Proportional to 3,943.66, 5,439.62 and 2,997.34

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Solution

The fourth proportional to 3,943.66, 5,439.62 and 2,997.34 is: 4,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.66 : 5,439.62 = 2,997.34 : x
  2. Step 2: Convert to fraction form
    3,943.66/5,439.62 = 2,997.34/x
  3. Step 3: Cross multiply
    3,943.66x = 5,439.62 × 2,997.34
  4. Step 4: Simplify right side
    3,943.66x = 16,304,390.61
  5. Step 5: Solve for x
    x = 16,304,390.61/3,943.66
  6. Step 6: Final answer
    x = 4,134.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.