Home / 3,828.53-5,716.87-3,039.68

Finding the Fourth Proportional to 3,828.53, 5,716.87 and 3,039.68

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Solution

The fourth proportional to 3,828.53, 5,716.87 and 3,039.68 is: 4,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.53 : 5,716.87 = 3,039.68 : x
  2. Step 2: Convert to fraction form
    3,828.53/5,716.87 = 3,039.68/x
  3. Step 3: Cross multiply
    3,828.53x = 5,716.87 × 3,039.68
  4. Step 4: Simplify right side
    3,828.53x = 17,377,462.09
  5. Step 5: Solve for x
    x = 17,377,462.09/3,828.53
  6. Step 6: Final answer
    x = 4,538.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.