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Finding the Fourth Proportional to 3,252.78, 4,879.42 and 1,608.89

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Solution

The fourth proportional to 3,252.78, 4,879.42 and 1,608.89 is: 2,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.78 : 4,879.42 = 1,608.89 : x
  2. Step 2: Convert to fraction form
    3,252.78/4,879.42 = 1,608.89/x
  3. Step 3: Cross multiply
    3,252.78x = 4,879.42 × 1,608.89
  4. Step 4: Simplify right side
    3,252.78x = 7,850,421.62
  5. Step 5: Solve for x
    x = 7,850,421.62/3,252.78
  6. Step 6: Final answer
    x = 2,413.45

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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.