Home / 3,202.94-4,420.05-1,805.68

Finding the Fourth Proportional to 3,202.94, 4,420.05 and 1,805.68

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Solution

The fourth proportional to 3,202.94, 4,420.05 and 1,805.68 is: 2,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.94 : 4,420.05 = 1,805.68 : x
  2. Step 2: Convert to fraction form
    3,202.94/4,420.05 = 1,805.68/x
  3. Step 3: Cross multiply
    3,202.94x = 4,420.05 × 1,805.68
  4. Step 4: Simplify right side
    3,202.94x = 7,981,195.88
  5. Step 5: Solve for x
    x = 7,981,195.88/3,202.94
  6. Step 6: Final answer
    x = 2,491.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.