Home / 3,609.24-5,413.78-1,144.21

Finding the Fourth Proportional to 3,609.24, 5,413.78 and 1,144.21

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Solution

The fourth proportional to 3,609.24, 5,413.78 and 1,144.21 is: 1,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.24 : 5,413.78 = 1,144.21 : x
  2. Step 2: Convert to fraction form
    3,609.24/5,413.78 = 1,144.21/x
  3. Step 3: Cross multiply
    3,609.24x = 5,413.78 × 1,144.21
  4. Step 4: Simplify right side
    3,609.24x = 6,194,501.21
  5. Step 5: Solve for x
    x = 6,194,501.21/3,609.24
  6. Step 6: Final answer
    x = 1,716.29

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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.