Home / 3,608.43-5,413.20-1,143.01

Finding the Fourth Proportional to 3,608.43, 5,413.20 and 1,143.01

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Solution

The fourth proportional to 3,608.43, 5,413.20 and 1,143.01 is: 1,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.43 : 5,413.20 = 1,143.01 : x
  2. Step 2: Convert to fraction form
    3,608.43/5,413.20 = 1,143.01/x
  3. Step 3: Cross multiply
    3,608.43x = 5,413.20 × 1,143.01
  4. Step 4: Simplify right side
    3,608.43x = 6,187,341.73
  5. Step 5: Solve for x
    x = 6,187,341.73/3,608.43
  6. Step 6: Final answer
    x = 1,714.69

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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.