Home / 3,963.62-5,468.36-2,391.14

Finding the Fourth Proportional to 3,963.62, 5,468.36 and 2,391.14

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Solution

The fourth proportional to 3,963.62, 5,468.36 and 2,391.14 is: 3,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.62 : 5,468.36 = 2,391.14 : x
  2. Step 2: Convert to fraction form
    3,963.62/5,468.36 = 2,391.14/x
  3. Step 3: Cross multiply
    3,963.62x = 5,468.36 × 2,391.14
  4. Step 4: Simplify right side
    3,963.62x = 13,075,614.33
  5. Step 5: Solve for x
    x = 13,075,614.33/3,963.62
  6. Step 6: Final answer
    x = 3,298.91

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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.