Home / 3,949.24-5,934.63-2,101.68

Finding the Fourth Proportional to 3,949.24, 5,934.63 and 2,101.68

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Solution

The fourth proportional to 3,949.24, 5,934.63 and 2,101.68 is: 3,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.24 : 5,934.63 = 2,101.68 : x
  2. Step 2: Convert to fraction form
    3,949.24/5,934.63 = 2,101.68/x
  3. Step 3: Cross multiply
    3,949.24x = 5,934.63 × 2,101.68
  4. Step 4: Simplify right side
    3,949.24x = 12,472,717.23
  5. Step 5: Solve for x
    x = 12,472,717.23/3,949.24
  6. Step 6: Final answer
    x = 3,158.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.