Home / 3,186.27-4,773.24-2,087.28

Finding the Fourth Proportional to 3,186.27, 4,773.24 and 2,087.28

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Solution

The fourth proportional to 3,186.27, 4,773.24 and 2,087.28 is: 3,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.27 : 4,773.24 = 2,087.28 : x
  2. Step 2: Convert to fraction form
    3,186.27/4,773.24 = 2,087.28/x
  3. Step 3: Cross multiply
    3,186.27x = 4,773.24 × 2,087.28
  4. Step 4: Simplify right side
    3,186.27x = 9,963,088.39
  5. Step 5: Solve for x
    x = 9,963,088.39/3,186.27
  6. Step 6: Final answer
    x = 3,126.88

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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.