Home / 2,964.12-4,446.05-1,115.09

Finding the Fourth Proportional to 2,964.12, 4,446.05 and 1,115.09

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Solution

The fourth proportional to 2,964.12, 4,446.05 and 1,115.09 is: 1,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.12 : 4,446.05 = 1,115.09 : x
  2. Step 2: Convert to fraction form
    2,964.12/4,446.05 = 1,115.09/x
  3. Step 3: Cross multiply
    2,964.12x = 4,446.05 × 1,115.09
  4. Step 4: Simplify right side
    2,964.12x = 4,957,751.43
  5. Step 5: Solve for x
    x = 4,957,751.43/2,964.12
  6. Step 6: Final answer
    x = 1,672.59

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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.