Home / 3,078.46-4,616.55-1,229.02

Finding the Fourth Proportional to 3,078.46, 4,616.55 and 1,229.02

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Solution

The fourth proportional to 3,078.46, 4,616.55 and 1,229.02 is: 1,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.46 : 4,616.55 = 1,229.02 : x
  2. Step 2: Convert to fraction form
    3,078.46/4,616.55 = 1,229.02/x
  3. Step 3: Cross multiply
    3,078.46x = 4,616.55 × 1,229.02
  4. Step 4: Simplify right side
    3,078.46x = 5,673,832.28
  5. Step 5: Solve for x
    x = 5,673,832.28/3,078.46
  6. Step 6: Final answer
    x = 1,843.07

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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.