Home / 3,231.80-4,460.30-2,183.80

Finding the Fourth Proportional to 3,231.80, 4,460.30 and 2,183.80

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Solution

The fourth proportional to 3,231.80, 4,460.30 and 2,183.80 is: 3,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.80 : 4,460.30 = 2,183.80 : x
  2. Step 2: Convert to fraction form
    3,231.80/4,460.30 = 2,183.80/x
  3. Step 3: Cross multiply
    3,231.80x = 4,460.30 × 2,183.80
  4. Step 4: Simplify right side
    3,231.80x = 9,740,403.14
  5. Step 5: Solve for x
    x = 9,740,403.14/3,231.80
  6. Step 6: Final answer
    x = 3,013.93

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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.