Home / 3,963.15-5,468.94-2,194.65

Finding the Fourth Proportional to 3,963.15, 5,468.94 and 2,194.65

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Solution

The fourth proportional to 3,963.15, 5,468.94 and 2,194.65 is: 3,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.15 : 5,468.94 = 2,194.65 : x
  2. Step 2: Convert to fraction form
    3,963.15/5,468.94 = 2,194.65/x
  3. Step 3: Cross multiply
    3,963.15x = 5,468.94 × 2,194.65
  4. Step 4: Simplify right side
    3,963.15x = 12,002,409.17
  5. Step 5: Solve for x
    x = 12,002,409.17/3,963.15
  6. Step 6: Final answer
    x = 3,028.50

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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.