Home / 3,950.30-5,449.01-2,355.91

Finding the Fourth Proportional to 3,950.30, 5,449.01 and 2,355.91

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Solution

The fourth proportional to 3,950.30, 5,449.01 and 2,355.91 is: 3,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.30 : 5,449.01 = 2,355.91 : x
  2. Step 2: Convert to fraction form
    3,950.30/5,449.01 = 2,355.91/x
  3. Step 3: Cross multiply
    3,950.30x = 5,449.01 × 2,355.91
  4. Step 4: Simplify right side
    3,950.30x = 12,837,351.75
  5. Step 5: Solve for x
    x = 12,837,351.75/3,950.30
  6. Step 6: Final answer
    x = 3,249.71

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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.