Home / 3,081.33-4,620.15-1,413.37

Finding the Fourth Proportional to 3,081.33, 4,620.15 and 1,413.37

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Solution

The fourth proportional to 3,081.33, 4,620.15 and 1,413.37 is: 2,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.33 : 4,620.15 = 1,413.37 : x
  2. Step 2: Convert to fraction form
    3,081.33/4,620.15 = 1,413.37/x
  3. Step 3: Cross multiply
    3,081.33x = 4,620.15 × 1,413.37
  4. Step 4: Simplify right side
    3,081.33x = 6,529,973.39
  5. Step 5: Solve for x
    x = 6,529,973.39/3,081.33
  6. Step 6: Final answer
    x = 2,119.20

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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.