Home / 1,882.26-2,822.67-1,111.86

Finding the Fourth Proportional to 1,882.26, 2,822.67 and 1,111.86

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Solution

The fourth proportional to 1,882.26, 2,822.67 and 1,111.86 is: 1,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.26 : 2,822.67 = 1,111.86 : x
  2. Step 2: Convert to fraction form
    1,882.26/2,822.67 = 1,111.86/x
  3. Step 3: Cross multiply
    1,882.26x = 2,822.67 × 1,111.86
  4. Step 4: Simplify right side
    1,882.26x = 3,138,413.87
  5. Step 5: Solve for x
    x = 3,138,413.87/1,882.26
  6. Step 6: Final answer
    x = 1,667.36

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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.