Home / 3,297.05-4,945.58-1,105.79

Finding the Fourth Proportional to 3,297.05, 4,945.58 and 1,105.79

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Solution

The fourth proportional to 3,297.05, 4,945.58 and 1,105.79 is: 1,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.05 : 4,945.58 = 1,105.79 : x
  2. Step 2: Convert to fraction form
    3,297.05/4,945.58 = 1,105.79/x
  3. Step 3: Cross multiply
    3,297.05x = 4,945.58 × 1,105.79
  4. Step 4: Simplify right side
    3,297.05x = 5,468,772.91
  5. Step 5: Solve for x
    x = 5,468,772.91/3,297.05
  6. Step 6: Final answer
    x = 1,658.69

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1.5x scale

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.