Home / 3,729.44-5,144.01-3,231.19

Finding the Fourth Proportional to 3,729.44, 5,144.01 and 3,231.19

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Solution

The fourth proportional to 3,729.44, 5,144.01 and 3,231.19 is: 4,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.44 : 5,144.01 = 3,231.19 : x
  2. Step 2: Convert to fraction form
    3,729.44/5,144.01 = 3,231.19/x
  3. Step 3: Cross multiply
    3,729.44x = 5,144.01 × 3,231.19
  4. Step 4: Simplify right side
    3,729.44x = 16,621,267.98
  5. Step 5: Solve for x
    x = 16,621,267.98/3,729.44
  6. Step 6: Final answer
    x = 4,456.77

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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.