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Finding the Fourth Proportional to 3,255.09, 4,879.13 and 1,608.09

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Solution

The fourth proportional to 3,255.09, 4,879.13 and 1,608.09 is: 2,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.09 : 4,879.13 = 1,608.09 : x
  2. Step 2: Convert to fraction form
    3,255.09/4,879.13 = 1,608.09/x
  3. Step 3: Cross multiply
    3,255.09x = 4,879.13 × 1,608.09
  4. Step 4: Simplify right side
    3,255.09x = 7,846,072.12
  5. Step 5: Solve for x
    x = 7,846,072.12/3,255.09
  6. Step 6: Final answer
    x = 2,410.40

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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.