Home / 3,183.38-4,393.19-1,747.80

Finding the Fourth Proportional to 3,183.38, 4,393.19 and 1,747.80

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Solution

The fourth proportional to 3,183.38, 4,393.19 and 1,747.80 is: 2,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.38 : 4,393.19 = 1,747.80 : x
  2. Step 2: Convert to fraction form
    3,183.38/4,393.19 = 1,747.80/x
  3. Step 3: Cross multiply
    3,183.38x = 4,393.19 × 1,747.80
  4. Step 4: Simplify right side
    3,183.38x = 7,678,421.85
  5. Step 5: Solve for x
    x = 7,678,421.85/3,183.38
  6. Step 6: Final answer
    x = 2,412.03

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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.