Home / 3,640.67-5,022.92-2,223.84

Finding the Fourth Proportional to 3,640.67, 5,022.92 and 2,223.84

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Solution

The fourth proportional to 3,640.67, 5,022.92 and 2,223.84 is: 3,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.67 : 5,022.92 = 2,223.84 : x
  2. Step 2: Convert to fraction form
    3,640.67/5,022.92 = 2,223.84/x
  3. Step 3: Cross multiply
    3,640.67x = 5,022.92 × 2,223.84
  4. Step 4: Simplify right side
    3,640.67x = 11,170,175.97
  5. Step 5: Solve for x
    x = 11,170,175.97/3,640.67
  6. Step 6: Final answer
    x = 3,068.17

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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.