Home / 2,874.43-4,305.97-2,255.05

Finding the Fourth Proportional to 2,874.43, 4,305.97 and 2,255.05

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Solution

The fourth proportional to 2,874.43, 4,305.97 and 2,255.05 is: 3,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.43 : 4,305.97 = 2,255.05 : x
  2. Step 2: Convert to fraction form
    2,874.43/4,305.97 = 2,255.05/x
  3. Step 3: Cross multiply
    2,874.43x = 4,305.97 × 2,255.05
  4. Step 4: Simplify right side
    2,874.43x = 9,710,177.65
  5. Step 5: Solve for x
    x = 9,710,177.65/2,874.43
  6. Step 6: Final answer
    x = 3,378.12

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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.