Home / 1,336.33-2,004.80-411.97

Finding the Fourth Proportional to 1,336.33, 2,004.80 and 411.97

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Solution

The fourth proportional to 1,336.33, 2,004.80 and 411.97 is: 618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.33 : 2,004.80 = 411.97 : x
  2. Step 2: Convert to fraction form
    1,336.33/2,004.80 = 411.97/x
  3. Step 3: Cross multiply
    1,336.33x = 2,004.80 × 411.97
  4. Step 4: Simplify right side
    1,336.33x = 825,917.46
  5. Step 5: Solve for x
    x = 825,917.46/1,336.33
  6. Step 6: Final answer
    x = 618.05

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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.