Home / 2,234.56-3,083.68-1,239.81

Finding the Fourth Proportional to 2,234.56, 3,083.68 and 1,239.81

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Solution

The fourth proportional to 2,234.56, 3,083.68 and 1,239.81 is: 1,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.56 : 3,083.68 = 1,239.81 : x
  2. Step 2: Convert to fraction form
    2,234.56/3,083.68 = 1,239.81/x
  3. Step 3: Cross multiply
    2,234.56x = 3,083.68 × 1,239.81
  4. Step 4: Simplify right side
    2,234.56x = 3,823,177.30
  5. Step 5: Solve for x
    x = 3,823,177.30/2,234.56
  6. Step 6: Final answer
    x = 1,710.93

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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.