Home / 3,413.81-5,120.72-2,259.29

Finding the Fourth Proportional to 3,413.81, 5,120.72 and 2,259.29

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Solution

The fourth proportional to 3,413.81, 5,120.72 and 2,259.29 is: 3,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.81 : 5,120.72 = 2,259.29 : x
  2. Step 2: Convert to fraction form
    3,413.81/5,120.72 = 2,259.29/x
  3. Step 3: Cross multiply
    3,413.81x = 5,120.72 × 2,259.29
  4. Step 4: Simplify right side
    3,413.81x = 11,569,191.49
  5. Step 5: Solve for x
    x = 11,569,191.49/3,413.81
  6. Step 6: Final answer
    x = 3,388.94

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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.