Home / 1,760.81-2,641.19-664.97

Finding the Fourth Proportional to 1,760.81, 2,641.19 and 664.97

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Solution

The fourth proportional to 1,760.81, 2,641.19 and 664.97 is: 997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.81 : 2,641.19 = 664.97 : x
  2. Step 2: Convert to fraction form
    1,760.81/2,641.19 = 664.97/x
  3. Step 3: Cross multiply
    1,760.81x = 2,641.19 × 664.97
  4. Step 4: Simplify right side
    1,760.81x = 1,756,295.58
  5. Step 5: Solve for x
    x = 1,756,295.58/1,760.81
  6. Step 6: Final answer
    x = 997.44

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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.