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Finding the Fourth Proportional to 2,029.88, 3,044.81 and 490.88

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Solution

The fourth proportional to 2,029.88, 3,044.81 and 490.88 is: 736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.88 : 3,044.81 = 490.88 : x
  2. Step 2: Convert to fraction form
    2,029.88/3,044.81 = 490.88/x
  3. Step 3: Cross multiply
    2,029.88x = 3,044.81 × 490.88
  4. Step 4: Simplify right side
    2,029.88x = 1,494,636.33
  5. Step 5: Solve for x
    x = 1,494,636.33/2,029.88
  6. Step 6: Final answer
    x = 736.32

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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.