Home / 3,609.17-5,413.80-1,012.13

Finding the Fourth Proportional to 3,609.17, 5,413.80 and 1,012.13

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Solution

The fourth proportional to 3,609.17, 5,413.80 and 1,012.13 is: 1,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.17 : 5,413.80 = 1,012.13 : x
  2. Step 2: Convert to fraction form
    3,609.17/5,413.80 = 1,012.13/x
  3. Step 3: Cross multiply
    3,609.17x = 5,413.80 × 1,012.13
  4. Step 4: Simplify right side
    3,609.17x = 5,479,469.39
  5. Step 5: Solve for x
    x = 5,479,469.39/3,609.17
  6. Step 6: Final answer
    x = 1,518.21

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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.