Home / 3,205.11-4,806-1,449.28

Finding the Fourth Proportional to 3,205.11, 4,806 and 1,449.28

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Solution

The fourth proportional to 3,205.11, 4,806 and 1,449.28 is: 2,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.11 : 4,806 = 1,449.28 : x
  2. Step 2: Convert to fraction form
    3,205.11/4,806 = 1,449.28/x
  3. Step 3: Cross multiply
    3,205.11x = 4,806 × 1,449.28
  4. Step 4: Simplify right side
    3,205.11x = 6,965,227.67
  5. Step 5: Solve for x
    x = 6,965,227.67/3,205.11
  6. Step 6: Final answer
    x = 2,173.16

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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.