Home / 3,635.30-5,440.80-3,197.90

Finding the Fourth Proportional to 3,635.30, 5,440.80 and 3,197.90

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Solution

The fourth proportional to 3,635.30, 5,440.80 and 3,197.90 is: 4,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.30 : 5,440.80 = 3,197.90 : x
  2. Step 2: Convert to fraction form
    3,635.30/5,440.80 = 3,197.90/x
  3. Step 3: Cross multiply
    3,635.30x = 5,440.80 × 3,197.90
  4. Step 4: Simplify right side
    3,635.30x = 17,399,134.32
  5. Step 5: Solve for x
    x = 17,399,134.32/3,635.30
  6. Step 6: Final answer
    x = 4,786.16

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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.