Home / 3,413.52-4,710.20-1,997.15

Finding the Fourth Proportional to 3,413.52, 4,710.20 and 1,997.15

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Solution

The fourth proportional to 3,413.52, 4,710.20 and 1,997.15 is: 2,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.52 : 4,710.20 = 1,997.15 : x
  2. Step 2: Convert to fraction form
    3,413.52/4,710.20 = 1,997.15/x
  3. Step 3: Cross multiply
    3,413.52x = 4,710.20 × 1,997.15
  4. Step 4: Simplify right side
    3,413.52x = 9,406,942.39
  5. Step 5: Solve for x
    x = 9,406,942.39/3,413.52
  6. Step 6: Final answer
    x = 2,755.79

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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.