Home / 3,218.62-4,818.83-2,045.72

Finding the Fourth Proportional to 3,218.62, 4,818.83 and 2,045.72

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Solution

The fourth proportional to 3,218.62, 4,818.83 and 2,045.72 is: 3,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.62 : 4,818.83 = 2,045.72 : x
  2. Step 2: Convert to fraction form
    3,218.62/4,818.83 = 2,045.72/x
  3. Step 3: Cross multiply
    3,218.62x = 4,818.83 × 2,045.72
  4. Step 4: Simplify right side
    3,218.62x = 9,857,942.58
  5. Step 5: Solve for x
    x = 9,857,942.58/3,218.62
  6. Step 6: Final answer
    x = 3,062.79

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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.