Home / 3,078.46-4,246.92-2,083.39

Finding the Fourth Proportional to 3,078.46, 4,246.92 and 2,083.39

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Solution

The fourth proportional to 3,078.46, 4,246.92 and 2,083.39 is: 2,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.46 : 4,246.92 = 2,083.39 : x
  2. Step 2: Convert to fraction form
    3,078.46/4,246.92 = 2,083.39/x
  3. Step 3: Cross multiply
    3,078.46x = 4,246.92 × 2,083.39
  4. Step 4: Simplify right side
    3,078.46x = 8,847,990.66
  5. Step 5: Solve for x
    x = 8,847,990.66/3,078.46
  6. Step 6: Final answer
    x = 2,874.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.