Home / 3,273.72-4,515.12-2,078.16

Finding the Fourth Proportional to 3,273.72, 4,515.12 and 2,078.16

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Solution

The fourth proportional to 3,273.72, 4,515.12 and 2,078.16 is: 2,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.72 : 4,515.12 = 2,078.16 : x
  2. Step 2: Convert to fraction form
    3,273.72/4,515.12 = 2,078.16/x
  3. Step 3: Cross multiply
    3,273.72x = 4,515.12 × 2,078.16
  4. Step 4: Simplify right side
    3,273.72x = 9,383,141.78
  5. Step 5: Solve for x
    x = 9,383,141.78/3,273.72
  6. Step 6: Final answer
    x = 2,866.20

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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.