Home / 4,169.04-6,245.19-1,979.88

Finding the Fourth Proportional to 4,169.04, 6,245.19 and 1,979.88

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Solution

The fourth proportional to 4,169.04, 6,245.19 and 1,979.88 is: 2,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.04 : 6,245.19 = 1,979.88 : x
  2. Step 2: Convert to fraction form
    4,169.04/6,245.19 = 1,979.88/x
  3. Step 3: Cross multiply
    4,169.04x = 6,245.19 × 1,979.88
  4. Step 4: Simplify right side
    4,169.04x = 12,364,726.78
  5. Step 5: Solve for x
    x = 12,364,726.78/4,169.04
  6. Step 6: Final answer
    x = 2,965.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.