Home / 2,413.20-3,618.36-1,163.19

Finding the Fourth Proportional to 2,413.20, 3,618.36 and 1,163.19

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Solution

The fourth proportional to 2,413.20, 3,618.36 and 1,163.19 is: 1,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.20 : 3,618.36 = 1,163.19 : x
  2. Step 2: Convert to fraction form
    2,413.20/3,618.36 = 1,163.19/x
  3. Step 3: Cross multiply
    2,413.20x = 3,618.36 × 1,163.19
  4. Step 4: Simplify right side
    2,413.20x = 4,208,840.17
  5. Step 5: Solve for x
    x = 4,208,840.17/2,413.20
  6. Step 6: Final answer
    x = 1,744.09

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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.