Home / 3,611.48-5,413.57-1,964.61

Finding the Fourth Proportional to 3,611.48, 5,413.57 and 1,964.61

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Solution

The fourth proportional to 3,611.48, 5,413.57 and 1,964.61 is: 2,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.48 : 5,413.57 = 1,964.61 : x
  2. Step 2: Convert to fraction form
    3,611.48/5,413.57 = 1,964.61/x
  3. Step 3: Cross multiply
    3,611.48x = 5,413.57 × 1,964.61
  4. Step 4: Simplify right side
    3,611.48x = 10,635,548.85
  5. Step 5: Solve for x
    x = 10,635,548.85/3,611.48
  6. Step 6: Final answer
    x = 2,944.93

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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.