Home / 1,950.21-2,691.23-1,163.79

Finding the Fourth Proportional to 1,950.21, 2,691.23 and 1,163.79

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Solution

The fourth proportional to 1,950.21, 2,691.23 and 1,163.79 is: 1,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.21 : 2,691.23 = 1,163.79 : x
  2. Step 2: Convert to fraction form
    1,950.21/2,691.23 = 1,163.79/x
  3. Step 3: Cross multiply
    1,950.21x = 2,691.23 × 1,163.79
  4. Step 4: Simplify right side
    1,950.21x = 3,132,020.74
  5. Step 5: Solve for x
    x = 3,132,020.74/1,950.21
  6. Step 6: Final answer
    x = 1,605.99

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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.