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Finding the Fourth Proportional to 2,028.94, 3,043.41 and 660.94

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Solution

The fourth proportional to 2,028.94, 3,043.41 and 660.94 is: 991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.94 : 3,043.41 = 660.94 : x
  2. Step 2: Convert to fraction form
    2,028.94/3,043.41 = 660.94/x
  3. Step 3: Cross multiply
    2,028.94x = 3,043.41 × 660.94
  4. Step 4: Simplify right side
    2,028.94x = 2,011,511.41
  5. Step 5: Solve for x
    x = 2,011,511.41/2,028.94
  6. Step 6: Final answer
    x = 991.41

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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.