Home / 2,930.32-4,396.19-1,198.95

Finding the Fourth Proportional to 2,930.32, 4,396.19 and 1,198.95

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Solution

The fourth proportional to 2,930.32, 4,396.19 and 1,198.95 is: 1,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.32 : 4,396.19 = 1,198.95 : x
  2. Step 2: Convert to fraction form
    2,930.32/4,396.19 = 1,198.95/x
  3. Step 3: Cross multiply
    2,930.32x = 4,396.19 × 1,198.95
  4. Step 4: Simplify right side
    2,930.32x = 5,270,806.01
  5. Step 5: Solve for x
    x = 5,270,806.01/2,930.32
  6. Step 6: Final answer
    x = 1,798.71

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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.