Home / 1,324.14-1,996.81-1,305.91

Finding the Fourth Proportional to 1,324.14, 1,996.81 and 1,305.91

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Solution

The fourth proportional to 1,324.14, 1,996.81 and 1,305.91 is: 1,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.14 : 1,996.81 = 1,305.91 : x
  2. Step 2: Convert to fraction form
    1,324.14/1,996.81 = 1,305.91/x
  3. Step 3: Cross multiply
    1,324.14x = 1,996.81 × 1,305.91
  4. Step 4: Simplify right side
    1,324.14x = 2,607,654.15
  5. Step 5: Solve for x
    x = 2,607,654.15/1,324.14
  6. Step 6: Final answer
    x = 1,969.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.