Home / 3,448.81-5,169.59-1,691.38

Finding the Fourth Proportional to 3,448.81, 5,169.59 and 1,691.38

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Solution

The fourth proportional to 3,448.81, 5,169.59 and 1,691.38 is: 2,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.81 : 5,169.59 = 1,691.38 : x
  2. Step 2: Convert to fraction form
    3,448.81/5,169.59 = 1,691.38/x
  3. Step 3: Cross multiply
    3,448.81x = 5,169.59 × 1,691.38
  4. Step 4: Simplify right side
    3,448.81x = 8,743,706.83
  5. Step 5: Solve for x
    x = 8,743,706.83/3,448.81
  6. Step 6: Final answer
    x = 2,535.29

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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.