Home / 3,413.16-5,121.27-1,770.90

Finding the Fourth Proportional to 3,413.16, 5,121.27 and 1,770.90

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Solution

The fourth proportional to 3,413.16, 5,121.27 and 1,770.90 is: 2,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.16 : 5,121.27 = 1,770.90 : x
  2. Step 2: Convert to fraction form
    3,413.16/5,121.27 = 1,770.90/x
  3. Step 3: Cross multiply
    3,413.16x = 5,121.27 × 1,770.90
  4. Step 4: Simplify right side
    3,413.16x = 9,069,257.04
  5. Step 5: Solve for x
    x = 9,069,257.04/3,413.16
  6. Step 6: Final answer
    x = 2,657.14

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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.