Home / 3,413.37-5,113.27-2,630.65

Finding the Fourth Proportional to 3,413.37, 5,113.27 and 2,630.65

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Solution

The fourth proportional to 3,413.37, 5,113.27 and 2,630.65 is: 3,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.37 : 5,113.27 = 2,630.65 : x
  2. Step 2: Convert to fraction form
    3,413.37/5,113.27 = 2,630.65/x
  3. Step 3: Cross multiply
    3,413.37x = 5,113.27 × 2,630.65
  4. Step 4: Simplify right side
    3,413.37x = 13,451,210.57
  5. Step 5: Solve for x
    x = 13,451,210.57/3,413.37
  6. Step 6: Final answer
    x = 3,940.74

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1.5x scale

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.