Home / 3,413.62-5,119.34-1,333.12

Finding the Fourth Proportional to 3,413.62, 5,119.34 and 1,333.12

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Solution

The fourth proportional to 3,413.62, 5,119.34 and 1,333.12 is: 1,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.62 : 5,119.34 = 1,333.12 : x
  2. Step 2: Convert to fraction form
    3,413.62/5,119.34 = 1,333.12/x
  3. Step 3: Cross multiply
    3,413.62x = 5,119.34 × 1,333.12
  4. Step 4: Simplify right side
    3,413.62x = 6,824,694.54
  5. Step 5: Solve for x
    x = 6,824,694.54/3,413.62
  6. Step 6: Final answer
    x = 1,999.25

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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.