Home / 3,718.44-5,131.67-2,226.42

Finding the Fourth Proportional to 3,718.44, 5,131.67 and 2,226.42

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Solution

The fourth proportional to 3,718.44, 5,131.67 and 2,226.42 is: 3,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.44 : 5,131.67 = 2,226.42 : x
  2. Step 2: Convert to fraction form
    3,718.44/5,131.67 = 2,226.42/x
  3. Step 3: Cross multiply
    3,718.44x = 5,131.67 × 2,226.42
  4. Step 4: Simplify right side
    3,718.44x = 11,425,241.59
  5. Step 5: Solve for x
    x = 11,425,241.59/3,718.44
  6. Step 6: Final answer
    x = 3,072.59

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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.