Home / 2,773.26-3,828.68-2,211.93

Finding the Fourth Proportional to 2,773.26, 3,828.68 and 2,211.93

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Solution

The fourth proportional to 2,773.26, 3,828.68 and 2,211.93 is: 3,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.26 : 3,828.68 = 2,211.93 : x
  2. Step 2: Convert to fraction form
    2,773.26/3,828.68 = 2,211.93/x
  3. Step 3: Cross multiply
    2,773.26x = 3,828.68 × 2,211.93
  4. Step 4: Simplify right side
    2,773.26x = 8,468,761.09
  5. Step 5: Solve for x
    x = 8,468,761.09/2,773.26
  6. Step 6: Final answer
    x = 3,053.72

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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.