Home / 3,197.28-4,792.68-1,246.80

Finding the Fourth Proportional to 3,197.28, 4,792.68 and 1,246.80

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Solution

The fourth proportional to 3,197.28, 4,792.68 and 1,246.80 is: 1,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.28 : 4,792.68 = 1,246.80 : x
  2. Step 2: Convert to fraction form
    3,197.28/4,792.68 = 1,246.80/x
  3. Step 3: Cross multiply
    3,197.28x = 4,792.68 × 1,246.80
  4. Step 4: Simplify right side
    3,197.28x = 5,975,513.42
  5. Step 5: Solve for x
    x = 5,975,513.42/3,197.28
  6. Step 6: Final answer
    x = 1,868.94

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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.