Home / 4,137.72-6,201.60-1,942.20

Finding the Fourth Proportional to 4,137.72, 6,201.60 and 1,942.20

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Solution

The fourth proportional to 4,137.72, 6,201.60 and 1,942.20 is: 2,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.72 : 6,201.60 = 1,942.20 : x
  2. Step 2: Convert to fraction form
    4,137.72/6,201.60 = 1,942.20/x
  3. Step 3: Cross multiply
    4,137.72x = 6,201.60 × 1,942.20
  4. Step 4: Simplify right side
    4,137.72x = 12,044,747.52
  5. Step 5: Solve for x
    x = 12,044,747.52/4,137.72
  6. Step 6: Final answer
    x = 2,910.96

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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.