Home / 3,079.28-4,618.92-1,845.15

Finding the Fourth Proportional to 3,079.28, 4,618.92 and 1,845.15

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Solution

The fourth proportional to 3,079.28, 4,618.92 and 1,845.15 is: 2,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.28 : 4,618.92 = 1,845.15 : x
  2. Step 2: Convert to fraction form
    3,079.28/4,618.92 = 1,845.15/x
  3. Step 3: Cross multiply
    3,079.28x = 4,618.92 × 1,845.15
  4. Step 4: Simplify right side
    3,079.28x = 8,522,589.84
  5. Step 5: Solve for x
    x = 8,522,589.84/3,079.28
  6. Step 6: Final answer
    x = 2,767.72

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Similar ratio
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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.