Home / 3,782.24-5,673.36-1,185.38

Finding the Fourth Proportional to 3,782.24, 5,673.36 and 1,185.38

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Solution

The fourth proportional to 3,782.24, 5,673.36 and 1,185.38 is: 1,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.24 : 5,673.36 = 1,185.38 : x
  2. Step 2: Convert to fraction form
    3,782.24/5,673.36 = 1,185.38/x
  3. Step 3: Cross multiply
    3,782.24x = 5,673.36 × 1,185.38
  4. Step 4: Simplify right side
    3,782.24x = 6,725,053.18
  5. Step 5: Solve for x
    x = 6,725,053.18/3,782.24
  6. Step 6: Final answer
    x = 1,778.06

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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.