Home / 3,609.48-5,413.30-1,418.22

Finding the Fourth Proportional to 3,609.48, 5,413.30 and 1,418.22

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Solution

The fourth proportional to 3,609.48, 5,413.30 and 1,418.22 is: 2,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.48 : 5,413.30 = 1,418.22 : x
  2. Step 2: Convert to fraction form
    3,609.48/5,413.30 = 1,418.22/x
  3. Step 3: Cross multiply
    3,609.48x = 5,413.30 × 1,418.22
  4. Step 4: Simplify right side
    3,609.48x = 7,677,250.33
  5. Step 5: Solve for x
    x = 7,677,250.33/3,609.48
  6. Step 6: Final answer
    x = 2,126.97

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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.