Home / 3,227.20-4,837.91-1,278.08

Finding the Fourth Proportional to 3,227.20, 4,837.91 and 1,278.08

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Solution

The fourth proportional to 3,227.20, 4,837.91 and 1,278.08 is: 1,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.20 : 4,837.91 = 1,278.08 : x
  2. Step 2: Convert to fraction form
    3,227.20/4,837.91 = 1,278.08/x
  3. Step 3: Cross multiply
    3,227.20x = 4,837.91 × 1,278.08
  4. Step 4: Simplify right side
    3,227.20x = 6,183,236.01
  5. Step 5: Solve for x
    x = 6,183,236.01/3,227.20
  6. Step 6: Final answer
    x = 1,915.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.