Home / 2,022.62-3,033.91-1,388.76

Finding the Fourth Proportional to 2,022.62, 3,033.91 and 1,388.76

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Solution

The fourth proportional to 2,022.62, 3,033.91 and 1,388.76 is: 2,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.62 : 3,033.91 = 1,388.76 : x
  2. Step 2: Convert to fraction form
    2,022.62/3,033.91 = 1,388.76/x
  3. Step 3: Cross multiply
    2,022.62x = 3,033.91 × 1,388.76
  4. Step 4: Simplify right side
    2,022.62x = 4,213,372.85
  5. Step 5: Solve for x
    x = 4,213,372.85/2,022.62
  6. Step 6: Final answer
    x = 2,083.13

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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.