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Finding the Fourth Proportional to 3,441.91, 4,750.05 and 1,949.98

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Solution

The fourth proportional to 3,441.91, 4,750.05 and 1,949.98 is: 2,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.91 : 4,750.05 = 1,949.98 : x
  2. Step 2: Convert to fraction form
    3,441.91/4,750.05 = 1,949.98/x
  3. Step 3: Cross multiply
    3,441.91x = 4,750.05 × 1,949.98
  4. Step 4: Simplify right side
    3,441.91x = 9,262,502.50
  5. Step 5: Solve for x
    x = 9,262,502.50/3,441.91
  6. Step 6: Final answer
    x = 2,691.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.