Home / 3,609.22-5,413.82-2,953.12

Finding the Fourth Proportional to 3,609.22, 5,413.82 and 2,953.12

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Solution

The fourth proportional to 3,609.22, 5,413.82 and 2,953.12 is: 4,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.22 : 5,413.82 = 2,953.12 : x
  2. Step 2: Convert to fraction form
    3,609.22/5,413.82 = 2,953.12/x
  3. Step 3: Cross multiply
    3,609.22x = 5,413.82 × 2,953.12
  4. Step 4: Simplify right side
    3,609.22x = 15,987,660.12
  5. Step 5: Solve for x
    x = 15,987,660.12/3,609.22
  6. Step 6: Final answer
    x = 4,429.67

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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.