Home / 2,963.68-4,084.89-2,540.86

Finding the Fourth Proportional to 2,963.68, 4,084.89 and 2,540.86

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Solution

The fourth proportional to 2,963.68, 4,084.89 and 2,540.86 is: 3,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.68 : 4,084.89 = 2,540.86 : x
  2. Step 2: Convert to fraction form
    2,963.68/4,084.89 = 2,540.86/x
  3. Step 3: Cross multiply
    2,963.68x = 4,084.89 × 2,540.86
  4. Step 4: Simplify right side
    2,963.68x = 10,379,133.61
  5. Step 5: Solve for x
    x = 10,379,133.61/2,963.68
  6. Step 6: Final answer
    x = 3,502.11

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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.