Home / 3,413.10-5,122.44-1,770.14

Finding the Fourth Proportional to 3,413.10, 5,122.44 and 1,770.14

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Solution

The fourth proportional to 3,413.10, 5,122.44 and 1,770.14 is: 2,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.10 : 5,122.44 = 1,770.14 : x
  2. Step 2: Convert to fraction form
    3,413.10/5,122.44 = 1,770.14/x
  3. Step 3: Cross multiply
    3,413.10x = 5,122.44 × 1,770.14
  4. Step 4: Simplify right side
    3,413.10x = 9,067,435.94
  5. Step 5: Solve for x
    x = 9,067,435.94/3,413.10
  6. Step 6: Final answer
    x = 2,656.66

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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.