Home / 3,079.16-4,618.55-1,229.76

Finding the Fourth Proportional to 3,079.16, 4,618.55 and 1,229.76

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Solution

The fourth proportional to 3,079.16, 4,618.55 and 1,229.76 is: 1,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.16 : 4,618.55 = 1,229.76 : x
  2. Step 2: Convert to fraction form
    3,079.16/4,618.55 = 1,229.76/x
  3. Step 3: Cross multiply
    3,079.16x = 4,618.55 × 1,229.76
  4. Step 4: Simplify right side
    3,079.16x = 5,679,701.90
  5. Step 5: Solve for x
    x = 5,679,701.90/3,079.16
  6. Step 6: Final answer
    x = 1,844.57

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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.