Home / 1,822.21-2,734.00-1,092.31

Finding the Fourth Proportional to 1,822.21, 2,734.00 and 1,092.31

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Solution

The fourth proportional to 1,822.21, 2,734.00 and 1,092.31 is: 1,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.21 : 2,734.00 = 1,092.31 : x
  2. Step 2: Convert to fraction form
    1,822.21/2,734.00 = 1,092.31/x
  3. Step 3: Cross multiply
    1,822.21x = 2,734.00 × 1,092.31
  4. Step 4: Simplify right side
    1,822.21x = 2,986,365.97
  5. Step 5: Solve for x
    x = 2,986,365.97/1,822.21
  6. Step 6: Final answer
    x = 1,638.87

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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.