Home / 3,849.96-5,313.11-2,171.44

Finding the Fourth Proportional to 3,849.96, 5,313.11 and 2,171.44

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Solution

The fourth proportional to 3,849.96, 5,313.11 and 2,171.44 is: 2,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.96 : 5,313.11 = 2,171.44 : x
  2. Step 2: Convert to fraction form
    3,849.96/5,313.11 = 2,171.44/x
  3. Step 3: Cross multiply
    3,849.96x = 5,313.11 × 2,171.44
  4. Step 4: Simplify right side
    3,849.96x = 11,537,099.58
  5. Step 5: Solve for x
    x = 11,537,099.58/3,849.96
  6. Step 6: Final answer
    x = 2,996.68

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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.