Home / 4,137.90-6,198.64-1,939.96

Finding the Fourth Proportional to 4,137.90, 6,198.64 and 1,939.96

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Solution

The fourth proportional to 4,137.90, 6,198.64 and 1,939.96 is: 2,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.90 : 6,198.64 = 1,939.96 : x
  2. Step 2: Convert to fraction form
    4,137.90/6,198.64 = 1,939.96/x
  3. Step 3: Cross multiply
    4,137.90x = 6,198.64 × 1,939.96
  4. Step 4: Simplify right side
    4,137.90x = 12,025,113.65
  5. Step 5: Solve for x
    x = 12,025,113.65/4,137.90
  6. Step 6: Final answer
    x = 2,906.09

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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.