Home / 3,609.09-5,413.64-1,012.03

Finding the Fourth Proportional to 3,609.09, 5,413.64 and 1,012.03

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Solution

The fourth proportional to 3,609.09, 5,413.64 and 1,012.03 is: 1,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.09 : 5,413.64 = 1,012.03 : x
  2. Step 2: Convert to fraction form
    3,609.09/5,413.64 = 1,012.03/x
  3. Step 3: Cross multiply
    3,609.09x = 5,413.64 × 1,012.03
  4. Step 4: Simplify right side
    3,609.09x = 5,478,747.49
  5. Step 5: Solve for x
    x = 5,478,747.49/3,609.09
  6. Step 6: Final answer
    x = 1,518.04

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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.