Home / 3,413.36-5,121.93-1,333.48

Finding the Fourth Proportional to 3,413.36, 5,121.93 and 1,333.48

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Solution

The fourth proportional to 3,413.36, 5,121.93 and 1,333.48 is: 2,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.36 : 5,121.93 = 1,333.48 : x
  2. Step 2: Convert to fraction form
    3,413.36/5,121.93 = 1,333.48/x
  3. Step 3: Cross multiply
    3,413.36x = 5,121.93 × 1,333.48
  4. Step 4: Simplify right side
    3,413.36x = 6,829,993.02
  5. Step 5: Solve for x
    x = 6,829,993.02/3,413.36
  6. Step 6: Final answer
    x = 2,000.96

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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.