Home / 3,413.60-5,117.40-2,314.40

Finding the Fourth Proportional to 3,413.60, 5,117.40 and 2,314.40

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Solution

The fourth proportional to 3,413.60, 5,117.40 and 2,314.40 is: 3,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.60 : 5,117.40 = 2,314.40 : x
  2. Step 2: Convert to fraction form
    3,413.60/5,117.40 = 2,314.40/x
  3. Step 3: Cross multiply
    3,413.60x = 5,117.40 × 2,314.40
  4. Step 4: Simplify right side
    3,413.60x = 11,843,710.56
  5. Step 5: Solve for x
    x = 11,843,710.56/3,413.60
  6. Step 6: Final answer
    x = 3,469.57

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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.