Home / 3,197.48-4,790.07-1,961.28

Finding the Fourth Proportional to 3,197.48, 4,790.07 and 1,961.28

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Solution

The fourth proportional to 3,197.48, 4,790.07 and 1,961.28 is: 2,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.48 : 4,790.07 = 1,961.28 : x
  2. Step 2: Convert to fraction form
    3,197.48/4,790.07 = 1,961.28/x
  3. Step 3: Cross multiply
    3,197.48x = 4,790.07 × 1,961.28
  4. Step 4: Simplify right side
    3,197.48x = 9,394,668.49
  5. Step 5: Solve for x
    x = 9,394,668.49/3,197.48
  6. Step 6: Final answer
    x = 2,938.15

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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.