Home / 3,413.14-5,116.29-2,181.94

Finding the Fourth Proportional to 3,413.14, 5,116.29 and 2,181.94

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Solution

The fourth proportional to 3,413.14, 5,116.29 and 2,181.94 is: 3,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.14 : 5,116.29 = 2,181.94 : x
  2. Step 2: Convert to fraction form
    3,413.14/5,116.29 = 2,181.94/x
  3. Step 3: Cross multiply
    3,413.14x = 5,116.29 × 2,181.94
  4. Step 4: Simplify right side
    3,413.14x = 11,163,437.80
  5. Step 5: Solve for x
    x = 11,163,437.80/3,413.14
  6. Step 6: Final answer
    x = 3,270.72

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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.