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Finding the Fourth Proportional to 3,272.80, 4,883.96 and 2,696.80

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Solution

The fourth proportional to 3,272.80, 4,883.96 and 2,696.80 is: 4,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.80 : 4,883.96 = 2,696.80 : x
  2. Step 2: Convert to fraction form
    3,272.80/4,883.96 = 2,696.80/x
  3. Step 3: Cross multiply
    3,272.80x = 4,883.96 × 2,696.80
  4. Step 4: Simplify right side
    3,272.80x = 13,171,063.33
  5. Step 5: Solve for x
    x = 13,171,063.33/3,272.80
  6. Step 6: Final answer
    x = 4,024.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.