Home / 3,413.75-4,709.95-1,997.06

Finding the Fourth Proportional to 3,413.75, 4,709.95 and 1,997.06

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Solution

The fourth proportional to 3,413.75, 4,709.95 and 1,997.06 is: 2,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.75 : 4,709.95 = 1,997.06 : x
  2. Step 2: Convert to fraction form
    3,413.75/4,709.95 = 1,997.06/x
  3. Step 3: Cross multiply
    3,413.75x = 4,709.95 × 1,997.06
  4. Step 4: Simplify right side
    3,413.75x = 9,406,024.20
  5. Step 5: Solve for x
    x = 9,406,024.20/3,413.75
  6. Step 6: Final answer
    x = 2,755.34

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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.