Home / 2,770.22-4,149.85-1,676.72

Finding the Fourth Proportional to 2,770.22, 4,149.85 and 1,676.72

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Solution

The fourth proportional to 2,770.22, 4,149.85 and 1,676.72 is: 2,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.22 : 4,149.85 = 1,676.72 : x
  2. Step 2: Convert to fraction form
    2,770.22/4,149.85 = 1,676.72/x
  3. Step 3: Cross multiply
    2,770.22x = 4,149.85 × 1,676.72
  4. Step 4: Simplify right side
    2,770.22x = 6,958,122.48
  5. Step 5: Solve for x
    x = 6,958,122.48/2,770.22
  6. Step 6: Final answer
    x = 2,511.76

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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.