Home / 3,610.16-5,414.52-1,661.36

Finding the Fourth Proportional to 3,610.16, 5,414.52 and 1,661.36

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Solution

The fourth proportional to 3,610.16, 5,414.52 and 1,661.36 is: 2,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.16 : 5,414.52 = 1,661.36 : x
  2. Step 2: Convert to fraction form
    3,610.16/5,414.52 = 1,661.36/x
  3. Step 3: Cross multiply
    3,610.16x = 5,414.52 × 1,661.36
  4. Step 4: Simplify right side
    3,610.16x = 8,995,466.95
  5. Step 5: Solve for x
    x = 8,995,466.95/3,610.16
  6. Step 6: Final answer
    x = 2,491.71

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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.