Home / 3,687.06-5,087.79-2,114.94

Finding the Fourth Proportional to 3,687.06, 5,087.79 and 2,114.94

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Solution

The fourth proportional to 3,687.06, 5,087.79 and 2,114.94 is: 2,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.06 : 5,087.79 = 2,114.94 : x
  2. Step 2: Convert to fraction form
    3,687.06/5,087.79 = 2,114.94/x
  3. Step 3: Cross multiply
    3,687.06x = 5,087.79 × 2,114.94
  4. Step 4: Simplify right side
    3,687.06x = 10,760,370.58
  5. Step 5: Solve for x
    x = 10,760,370.58/3,687.06
  6. Step 6: Final answer
    x = 2,918.41

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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.