Home / 3,198.31-4,797.16-1,948.57

Finding the Fourth Proportional to 3,198.31, 4,797.16 and 1,948.57

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Solution

The fourth proportional to 3,198.31, 4,797.16 and 1,948.57 is: 2,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.31 : 4,797.16 = 1,948.57 : x
  2. Step 2: Convert to fraction form
    3,198.31/4,797.16 = 1,948.57/x
  3. Step 3: Cross multiply
    3,198.31x = 4,797.16 × 1,948.57
  4. Step 4: Simplify right side
    3,198.31x = 9,347,585.20
  5. Step 5: Solve for x
    x = 9,347,585.20/3,198.31
  6. Step 6: Final answer
    x = 2,922.67

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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.