Home / 1,331.46-1,835.31-1,224.27

Finding the Fourth Proportional to 1,331.46, 1,835.31 and 1,224.27

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Solution

The fourth proportional to 1,331.46, 1,835.31 and 1,224.27 is: 1,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.46 : 1,835.31 = 1,224.27 : x
  2. Step 2: Convert to fraction form
    1,331.46/1,835.31 = 1,224.27/x
  3. Step 3: Cross multiply
    1,331.46x = 1,835.31 × 1,224.27
  4. Step 4: Simplify right side
    1,331.46x = 2,246,914.97
  5. Step 5: Solve for x
    x = 2,246,914.97/1,331.46
  6. Step 6: Final answer
    x = 1,687.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.