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Finding the Fourth Proportional to 2,806.60, 4,201.80 and 2,482.60

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Solution

The fourth proportional to 2,806.60, 4,201.80 and 2,482.60 is: 3,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.60 : 4,201.80 = 2,482.60 : x
  2. Step 2: Convert to fraction form
    2,806.60/4,201.80 = 2,482.60/x
  3. Step 3: Cross multiply
    2,806.60x = 4,201.80 × 2,482.60
  4. Step 4: Simplify right side
    2,806.60x = 10,431,388.68
  5. Step 5: Solve for x
    x = 10,431,388.68/2,806.60
  6. Step 6: Final answer
    x = 3,716.74

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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.