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Finding the Fourth Proportional to 3,195.36, 4,410.36 and 1,798.20

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Solution

The fourth proportional to 3,195.36, 4,410.36 and 1,798.20 is: 2,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.36 : 4,410.36 = 1,798.20 : x
  2. Step 2: Convert to fraction form
    3,195.36/4,410.36 = 1,798.20/x
  3. Step 3: Cross multiply
    3,195.36x = 4,410.36 × 1,798.20
  4. Step 4: Simplify right side
    3,195.36x = 7,930,709.35
  5. Step 5: Solve for x
    x = 7,930,709.35/3,195.36
  6. Step 6: Final answer
    x = 2,481.95

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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.