Home / 2,942.15-4,413.22-1,382.15

Finding the Fourth Proportional to 2,942.15, 4,413.22 and 1,382.15

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Solution

The fourth proportional to 2,942.15, 4,413.22 and 1,382.15 is: 2,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.15 : 4,413.22 = 1,382.15 : x
  2. Step 2: Convert to fraction form
    2,942.15/4,413.22 = 1,382.15/x
  3. Step 3: Cross multiply
    2,942.15x = 4,413.22 × 1,382.15
  4. Step 4: Simplify right side
    2,942.15x = 6,099,720.46
  5. Step 5: Solve for x
    x = 6,099,720.46/2,942.15
  6. Step 6: Final answer
    x = 2,073.22

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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.