Home / 3,328.14-4,997.78-3,195.70

Finding the Fourth Proportional to 3,328.14, 4,997.78 and 3,195.70

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Solution

The fourth proportional to 3,328.14, 4,997.78 and 3,195.70 is: 4,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.14 : 4,997.78 = 3,195.70 : x
  2. Step 2: Convert to fraction form
    3,328.14/4,997.78 = 3,195.70/x
  3. Step 3: Cross multiply
    3,328.14x = 4,997.78 × 3,195.70
  4. Step 4: Simplify right side
    3,328.14x = 15,971,405.55
  5. Step 5: Solve for x
    x = 15,971,405.55/3,328.14
  6. Step 6: Final answer
    x = 4,798.90

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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.