Home / 3,963.18-5,468.40-2,391.36

Finding the Fourth Proportional to 3,963.18, 5,468.40 and 2,391.36

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Solution

The fourth proportional to 3,963.18, 5,468.40 and 2,391.36 is: 3,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.18 : 5,468.40 = 2,391.36 : x
  2. Step 2: Convert to fraction form
    3,963.18/5,468.40 = 2,391.36/x
  3. Step 3: Cross multiply
    3,963.18x = 5,468.40 × 2,391.36
  4. Step 4: Simplify right side
    3,963.18x = 13,076,913.02
  5. Step 5: Solve for x
    x = 13,076,913.02/3,963.18
  6. Step 6: Final answer
    x = 3,299.60

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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.