Home / 3,717.39-5,576.09-2,781.31

Finding the Fourth Proportional to 3,717.39, 5,576.09 and 2,781.31

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Solution

The fourth proportional to 3,717.39, 5,576.09 and 2,781.31 is: 4,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.39 : 5,576.09 = 2,781.31 : x
  2. Step 2: Convert to fraction form
    3,717.39/5,576.09 = 2,781.31/x
  3. Step 3: Cross multiply
    3,717.39x = 5,576.09 × 2,781.31
  4. Step 4: Simplify right side
    3,717.39x = 15,508,848.81
  5. Step 5: Solve for x
    x = 15,508,848.81/3,717.39
  6. Step 6: Final answer
    x = 4,171.97

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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.