Home / 3,413.56-5,120.10-2,266.36

Finding the Fourth Proportional to 3,413.56, 5,120.10 and 2,266.36

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Solution

The fourth proportional to 3,413.56, 5,120.10 and 2,266.36 is: 3,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.56 : 5,120.10 = 2,266.36 : x
  2. Step 2: Convert to fraction form
    3,413.56/5,120.10 = 2,266.36/x
  3. Step 3: Cross multiply
    3,413.56x = 5,120.10 × 2,266.36
  4. Step 4: Simplify right side
    3,413.56x = 11,603,989.84
  5. Step 5: Solve for x
    x = 11,603,989.84/3,413.56
  6. Step 6: Final answer
    x = 3,399.38

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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.