Home / 3,013.13-4,519.67-791.94

Finding the Fourth Proportional to 3,013.13, 4,519.67 and 791.94

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Solution

The fourth proportional to 3,013.13, 4,519.67 and 791.94 is: 1,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.13 : 4,519.67 = 791.94 : x
  2. Step 2: Convert to fraction form
    3,013.13/4,519.67 = 791.94/x
  3. Step 3: Cross multiply
    3,013.13x = 4,519.67 × 791.94
  4. Step 4: Simplify right side
    3,013.13x = 3,579,320.45
  5. Step 5: Solve for x
    x = 3,579,320.45/3,013.13
  6. Step 6: Final answer
    x = 1,187.91

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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.