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Finding the Fourth Proportional to 3,226.85, 4,839.08 and 1,910.89

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Solution

The fourth proportional to 3,226.85, 4,839.08 and 1,910.89 is: 2,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.85 : 4,839.08 = 1,910.89 : x
  2. Step 2: Convert to fraction form
    3,226.85/4,839.08 = 1,910.89/x
  3. Step 3: Cross multiply
    3,226.85x = 4,839.08 × 1,910.89
  4. Step 4: Simplify right side
    3,226.85x = 9,246,954.14
  5. Step 5: Solve for x
    x = 9,246,954.14/3,226.85
  6. Step 6: Final answer
    x = 2,865.63

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1.5x scale

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.