Home / 3,152.90-4,350.92-1,974.62

Finding the Fourth Proportional to 3,152.90, 4,350.92 and 1,974.62

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Solution

The fourth proportional to 3,152.90, 4,350.92 and 1,974.62 is: 2,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.90 : 4,350.92 = 1,974.62 : x
  2. Step 2: Convert to fraction form
    3,152.90/4,350.92 = 1,974.62/x
  3. Step 3: Cross multiply
    3,152.90x = 4,350.92 × 1,974.62
  4. Step 4: Simplify right side
    3,152.90x = 8,591,413.65
  5. Step 5: Solve for x
    x = 8,591,413.65/3,152.90
  6. Step 6: Final answer
    x = 2,724.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.