Home / 3,963.55-5,469.69-2,284.95

Finding the Fourth Proportional to 3,963.55, 5,469.69 and 2,284.95

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Solution

The fourth proportional to 3,963.55, 5,469.69 and 2,284.95 is: 3,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.55 : 5,469.69 = 2,284.95 : x
  2. Step 2: Convert to fraction form
    3,963.55/5,469.69 = 2,284.95/x
  3. Step 3: Cross multiply
    3,963.55x = 5,469.69 × 2,284.95
  4. Step 4: Simplify right side
    3,963.55x = 12,497,939.51
  5. Step 5: Solve for x
    x = 12,497,939.51/3,963.55
  6. Step 6: Final answer
    x = 3,153.22

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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.