Home / 2,877.22-4,311.90-2,173.85

Finding the Fourth Proportional to 2,877.22, 4,311.90 and 2,173.85

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Solution

The fourth proportional to 2,877.22, 4,311.90 and 2,173.85 is: 3,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.22 : 4,311.90 = 2,173.85 : x
  2. Step 2: Convert to fraction form
    2,877.22/4,311.90 = 2,173.85/x
  3. Step 3: Cross multiply
    2,877.22x = 4,311.90 × 2,173.85
  4. Step 4: Simplify right side
    2,877.22x = 9,373,428.97
  5. Step 5: Solve for x
    x = 9,373,428.97/2,877.22
  6. Step 6: Final answer
    x = 3,257.80

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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.