Home / 3,231.72-4,849.77-1,284.36

Finding the Fourth Proportional to 3,231.72, 4,849.77 and 1,284.36

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Solution

The fourth proportional to 3,231.72, 4,849.77 and 1,284.36 is: 1,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.72 : 4,849.77 = 1,284.36 : x
  2. Step 2: Convert to fraction form
    3,231.72/4,849.77 = 1,284.36/x
  3. Step 3: Cross multiply
    3,231.72x = 4,849.77 × 1,284.36
  4. Step 4: Simplify right side
    3,231.72x = 6,228,850.60
  5. Step 5: Solve for x
    x = 6,228,850.60/3,231.72
  6. Step 6: Final answer
    x = 1,927.41

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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.