Home / 1,610.82-2,411.19-1,299.78

Finding the Fourth Proportional to 1,610.82, 2,411.19 and 1,299.78

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Solution

The fourth proportional to 1,610.82, 2,411.19 and 1,299.78 is: 1,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.82 : 2,411.19 = 1,299.78 : x
  2. Step 2: Convert to fraction form
    1,610.82/2,411.19 = 1,299.78/x
  3. Step 3: Cross multiply
    1,610.82x = 2,411.19 × 1,299.78
  4. Step 4: Simplify right side
    1,610.82x = 3,134,016.54
  5. Step 5: Solve for x
    x = 3,134,016.54/1,610.82
  6. Step 6: Final answer
    x = 1,945.60

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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.