Home / 2,413.60-3,620.97-2,081.43

Finding the Fourth Proportional to 2,413.60, 3,620.97 and 2,081.43

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Solution

The fourth proportional to 2,413.60, 3,620.97 and 2,081.43 is: 3,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.60 : 3,620.97 = 2,081.43 : x
  2. Step 2: Convert to fraction form
    2,413.60/3,620.97 = 2,081.43/x
  3. Step 3: Cross multiply
    2,413.60x = 3,620.97 × 2,081.43
  4. Step 4: Simplify right side
    2,413.60x = 7,536,795.59
  5. Step 5: Solve for x
    x = 7,536,795.59/2,413.60
  6. Step 6: Final answer
    x = 3,122.64

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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.