Home / 3,190.23-4,400.73-1,996.02

Finding the Fourth Proportional to 3,190.23, 4,400.73 and 1,996.02

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Solution

The fourth proportional to 3,190.23, 4,400.73 and 1,996.02 is: 2,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.23 : 4,400.73 = 1,996.02 : x
  2. Step 2: Convert to fraction form
    3,190.23/4,400.73 = 1,996.02/x
  3. Step 3: Cross multiply
    3,190.23x = 4,400.73 × 1,996.02
  4. Step 4: Simplify right side
    3,190.23x = 8,783,945.09
  5. Step 5: Solve for x
    x = 8,783,945.09/3,190.23
  6. Step 6: Final answer
    x = 2,753.39

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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.