Home / 3,183.82-4,393.64-1,767.47

Finding the Fourth Proportional to 3,183.82, 4,393.64 and 1,767.47

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Solution

The fourth proportional to 3,183.82, 4,393.64 and 1,767.47 is: 2,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.82 : 4,393.64 = 1,767.47 : x
  2. Step 2: Convert to fraction form
    3,183.82/4,393.64 = 1,767.47/x
  3. Step 3: Cross multiply
    3,183.82x = 4,393.64 × 1,767.47
  4. Step 4: Simplify right side
    3,183.82x = 7,765,609.34
  5. Step 5: Solve for x
    x = 7,765,609.34/3,183.82
  6. Step 6: Final answer
    x = 2,439.09

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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.