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Finding the Fourth Proportional to 2,083.74, 3,122.88 and 849.70

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Solution

The fourth proportional to 2,083.74, 3,122.88 and 849.70 is: 1,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.74 : 3,122.88 = 849.70 : x
  2. Step 2: Convert to fraction form
    2,083.74/3,122.88 = 849.70/x
  3. Step 3: Cross multiply
    2,083.74x = 3,122.88 × 849.70
  4. Step 4: Simplify right side
    2,083.74x = 2,653,511.14
  5. Step 5: Solve for x
    x = 2,653,511.14/2,083.74
  6. Step 6: Final answer
    x = 1,273.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.