Home / 1,896.81-2,845.23-801.15

Finding the Fourth Proportional to 1,896.81, 2,845.23 and 801.15

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Solution

The fourth proportional to 1,896.81, 2,845.23 and 801.15 is: 1,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.81 : 2,845.23 = 801.15 : x
  2. Step 2: Convert to fraction form
    1,896.81/2,845.23 = 801.15/x
  3. Step 3: Cross multiply
    1,896.81x = 2,845.23 × 801.15
  4. Step 4: Simplify right side
    1,896.81x = 2,279,456.01
  5. Step 5: Solve for x
    x = 2,279,456.01/1,896.81
  6. Step 6: Final answer
    x = 1,201.73

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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.