Home / 3,110.27-4,664.89-1,261.31

Finding the Fourth Proportional to 3,110.27, 4,664.89 and 1,261.31

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Solution

The fourth proportional to 3,110.27, 4,664.89 and 1,261.31 is: 1,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.27 : 4,664.89 = 1,261.31 : x
  2. Step 2: Convert to fraction form
    3,110.27/4,664.89 = 1,261.31/x
  3. Step 3: Cross multiply
    3,110.27x = 4,664.89 × 1,261.31
  4. Step 4: Simplify right side
    3,110.27x = 5,883,850.66
  5. Step 5: Solve for x
    x = 5,883,850.66/3,110.27
  6. Step 6: Final answer
    x = 1,891.75

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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.