Home / 3,197.90-4,790.46-2,540.88

Finding the Fourth Proportional to 3,197.90, 4,790.46 and 2,540.88

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Solution

The fourth proportional to 3,197.90, 4,790.46 and 2,540.88 is: 3,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.90 : 4,790.46 = 2,540.88 : x
  2. Step 2: Convert to fraction form
    3,197.90/4,790.46 = 2,540.88/x
  3. Step 3: Cross multiply
    3,197.90x = 4,790.46 × 2,540.88
  4. Step 4: Simplify right side
    3,197.90x = 12,171,984.00
  5. Step 5: Solve for x
    x = 12,171,984.00/3,197.90
  6. Step 6: Final answer
    x = 3,806.25

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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.