Home / 3,964.41-5,463.36-2,843.40

Finding the Fourth Proportional to 3,964.41, 5,463.36 and 2,843.40

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Solution

The fourth proportional to 3,964.41, 5,463.36 and 2,843.40 is: 3,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.41 : 5,463.36 = 2,843.40 : x
  2. Step 2: Convert to fraction form
    3,964.41/5,463.36 = 2,843.40/x
  3. Step 3: Cross multiply
    3,964.41x = 5,463.36 × 2,843.40
  4. Step 4: Simplify right side
    3,964.41x = 15,534,517.82
  5. Step 5: Solve for x
    x = 15,534,517.82/3,964.41
  6. Step 6: Final answer
    x = 3,918.49

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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.