Home / 3,963.60-5,468.99-2,391.66

Finding the Fourth Proportional to 3,963.60, 5,468.99 and 2,391.66

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Solution

The fourth proportional to 3,963.60, 5,468.99 and 2,391.66 is: 3,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.60 : 5,468.99 = 2,391.66 : x
  2. Step 2: Convert to fraction form
    3,963.60/5,468.99 = 2,391.66/x
  3. Step 3: Cross multiply
    3,963.60x = 5,468.99 × 2,391.66
  4. Step 4: Simplify right side
    3,963.60x = 13,079,952.67
  5. Step 5: Solve for x
    x = 13,079,952.67/3,963.60
  6. Step 6: Final answer
    x = 3,300.02

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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.