Home / 3,786.72-5,673.06-2,615.36

Finding the Fourth Proportional to 3,786.72, 5,673.06 and 2,615.36

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Solution

The fourth proportional to 3,786.72, 5,673.06 and 2,615.36 is: 3,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.72 : 5,673.06 = 2,615.36 : x
  2. Step 2: Convert to fraction form
    3,786.72/5,673.06 = 2,615.36/x
  3. Step 3: Cross multiply
    3,786.72x = 5,673.06 × 2,615.36
  4. Step 4: Simplify right side
    3,786.72x = 14,837,094.20
  5. Step 5: Solve for x
    x = 14,837,094.20/3,786.72
  6. Step 6: Final answer
    x = 3,918.19

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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.