Home / 2,822.67-4,234.28-1,091.25

Finding the Fourth Proportional to 2,822.67, 4,234.28 and 1,091.25

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Solution

The fourth proportional to 2,822.67, 4,234.28 and 1,091.25 is: 1,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.67 : 4,234.28 = 1,091.25 : x
  2. Step 2: Convert to fraction form
    2,822.67/4,234.28 = 1,091.25/x
  3. Step 3: Cross multiply
    2,822.67x = 4,234.28 × 1,091.25
  4. Step 4: Simplify right side
    2,822.67x = 4,620,652.59
  5. Step 5: Solve for x
    x = 4,620,652.59/2,822.67
  6. Step 6: Final answer
    x = 1,636.98

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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.