Home / 3,650.47-5,476.57-1,185.29

Finding the Fourth Proportional to 3,650.47, 5,476.57 and 1,185.29

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Solution

The fourth proportional to 3,650.47, 5,476.57 and 1,185.29 is: 1,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.47 : 5,476.57 = 1,185.29 : x
  2. Step 2: Convert to fraction form
    3,650.47/5,476.57 = 1,185.29/x
  3. Step 3: Cross multiply
    3,650.47x = 5,476.57 × 1,185.29
  4. Step 4: Simplify right side
    3,650.47x = 6,491,323.66
  5. Step 5: Solve for x
    x = 6,491,323.66/3,650.47
  6. Step 6: Final answer
    x = 1,778.22

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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.