Home / 3,950.21-5,448.85-2,355.83

Finding the Fourth Proportional to 3,950.21, 5,448.85 and 2,355.83

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Solution

The fourth proportional to 3,950.21, 5,448.85 and 2,355.83 is: 3,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.21 : 5,448.85 = 2,355.83 : x
  2. Step 2: Convert to fraction form
    3,950.21/5,448.85 = 2,355.83/x
  3. Step 3: Cross multiply
    3,950.21x = 5,448.85 × 2,355.83
  4. Step 4: Simplify right side
    3,950.21x = 12,836,564.30
  5. Step 5: Solve for x
    x = 12,836,564.30/3,950.21
  6. Step 6: Final answer
    x = 3,249.59

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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.