Home / 3,078.58-4,616.74-1,229.14

Finding the Fourth Proportional to 3,078.58, 4,616.74 and 1,229.14

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Solution

The fourth proportional to 3,078.58, 4,616.74 and 1,229.14 is: 1,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.58 : 4,616.74 = 1,229.14 : x
  2. Step 2: Convert to fraction form
    3,078.58/4,616.74 = 1,229.14/x
  3. Step 3: Cross multiply
    3,078.58x = 4,616.74 × 1,229.14
  4. Step 4: Simplify right side
    3,078.58x = 5,674,619.80
  5. Step 5: Solve for x
    x = 5,674,619.80/3,078.58
  6. Step 6: Final answer
    x = 1,843.26

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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.