Home / 3,687.66-5,087.07-2,287.98

Finding the Fourth Proportional to 3,687.66, 5,087.07 and 2,287.98

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Solution

The fourth proportional to 3,687.66, 5,087.07 and 2,287.98 is: 3,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.66 : 5,087.07 = 2,287.98 : x
  2. Step 2: Convert to fraction form
    3,687.66/5,087.07 = 2,287.98/x
  3. Step 3: Cross multiply
    3,687.66x = 5,087.07 × 2,287.98
  4. Step 4: Simplify right side
    3,687.66x = 11,639,114.42
  5. Step 5: Solve for x
    x = 11,639,114.42/3,687.66
  6. Step 6: Final answer
    x = 3,156.23

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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.