Home / 3,786.14-5,681.63-1,837.28

Finding the Fourth Proportional to 3,786.14, 5,681.63 and 1,837.28

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Solution

The fourth proportional to 3,786.14, 5,681.63 and 1,837.28 is: 2,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.14 : 5,681.63 = 1,837.28 : x
  2. Step 2: Convert to fraction form
    3,786.14/5,681.63 = 1,837.28/x
  3. Step 3: Cross multiply
    3,786.14x = 5,681.63 × 1,837.28
  4. Step 4: Simplify right side
    3,786.14x = 10,438,721.35
  5. Step 5: Solve for x
    x = 10,438,721.35/3,786.14
  6. Step 6: Final answer
    x = 2,757.09

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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.