Home / 3,764.85-5,195.67-2,171.73

Finding the Fourth Proportional to 3,764.85, 5,195.67 and 2,171.73

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Solution

The fourth proportional to 3,764.85, 5,195.67 and 2,171.73 is: 2,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.85 : 5,195.67 = 2,171.73 : x
  2. Step 2: Convert to fraction form
    3,764.85/5,195.67 = 2,171.73/x
  3. Step 3: Cross multiply
    3,764.85x = 5,195.67 × 2,171.73
  4. Step 4: Simplify right side
    3,764.85x = 11,283,592.41
  5. Step 5: Solve for x
    x = 11,283,592.41/3,764.85
  6. Step 6: Final answer
    x = 2,997.09

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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.