Home / 2,945.73-4,056.75-2,936.61

Finding the Fourth Proportional to 2,945.73, 4,056.75 and 2,936.61

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Solution

The fourth proportional to 2,945.73, 4,056.75 and 2,936.61 is: 4,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.73 : 4,056.75 = 2,936.61 : x
  2. Step 2: Convert to fraction form
    2,945.73/4,056.75 = 2,936.61/x
  3. Step 3: Cross multiply
    2,945.73x = 4,056.75 × 2,936.61
  4. Step 4: Simplify right side
    2,945.73x = 11,913,092.62
  5. Step 5: Solve for x
    x = 11,913,092.62/2,945.73
  6. Step 6: Final answer
    x = 4,044.19

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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.