Home / 2,930.28-4,394.64-1,198.56

Finding the Fourth Proportional to 2,930.28, 4,394.64 and 1,198.56

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Solution

The fourth proportional to 2,930.28, 4,394.64 and 1,198.56 is: 1,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.28 : 4,394.64 = 1,198.56 : x
  2. Step 2: Convert to fraction form
    2,930.28/4,394.64 = 1,198.56/x
  3. Step 3: Cross multiply
    2,930.28x = 4,394.64 × 1,198.56
  4. Step 4: Simplify right side
    2,930.28x = 5,267,239.72
  5. Step 5: Solve for x
    x = 5,267,239.72/2,930.28
  6. Step 6: Final answer
    x = 1,797.52

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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.