Home / 3,122.26-4,310.30-2,004.86

Finding the Fourth Proportional to 3,122.26, 4,310.30 and 2,004.86

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Solution

The fourth proportional to 3,122.26, 4,310.30 and 2,004.86 is: 2,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.26 : 4,310.30 = 2,004.86 : x
  2. Step 2: Convert to fraction form
    3,122.26/4,310.30 = 2,004.86/x
  3. Step 3: Cross multiply
    3,122.26x = 4,310.30 × 2,004.86
  4. Step 4: Simplify right side
    3,122.26x = 8,641,548.06
  5. Step 5: Solve for x
    x = 8,641,548.06/3,122.26
  6. Step 6: Final answer
    x = 2,767.72

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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.