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Finding the Fourth Proportional to 3,262.70, 4,883.10 and 3,218.96

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Solution

The fourth proportional to 3,262.70, 4,883.10 and 3,218.96 is: 4,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.70 : 4,883.10 = 3,218.96 : x
  2. Step 2: Convert to fraction form
    3,262.70/4,883.10 = 3,218.96/x
  3. Step 3: Cross multiply
    3,262.70x = 4,883.10 × 3,218.96
  4. Step 4: Simplify right side
    3,262.70x = 15,718,503.58
  5. Step 5: Solve for x
    x = 15,718,503.58/3,262.70
  6. Step 6: Final answer
    x = 4,817.64

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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.