Home / 3,413.70-5,112.33-1,948.41

Finding the Fourth Proportional to 3,413.70, 5,112.33 and 1,948.41

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Solution

The fourth proportional to 3,413.70, 5,112.33 and 1,948.41 is: 2,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.70 : 5,112.33 = 1,948.41 : x
  2. Step 2: Convert to fraction form
    3,413.70/5,112.33 = 1,948.41/x
  3. Step 3: Cross multiply
    3,413.70x = 5,112.33 × 1,948.41
  4. Step 4: Simplify right side
    3,413.70x = 9,960,914.90
  5. Step 5: Solve for x
    x = 9,960,914.90/3,413.70
  6. Step 6: Final answer
    x = 2,917.92

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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.