Home / 3,413.25-5,119.85-1,563.84

Finding the Fourth Proportional to 3,413.25, 5,119.85 and 1,563.84

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Solution

The fourth proportional to 3,413.25, 5,119.85 and 1,563.84 is: 2,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.25 : 5,119.85 = 1,563.84 : x
  2. Step 2: Convert to fraction form
    3,413.25/5,119.85 = 1,563.84/x
  3. Step 3: Cross multiply
    3,413.25x = 5,119.85 × 1,563.84
  4. Step 4: Simplify right side
    3,413.25x = 8,006,631.20
  5. Step 5: Solve for x
    x = 8,006,631.20/3,413.25
  6. Step 6: Final answer
    x = 2,345.75

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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.