Home / 3,948.72-5,923.62-1,175.61

Finding the Fourth Proportional to 3,948.72, 5,923.62 and 1,175.61

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Solution

The fourth proportional to 3,948.72, 5,923.62 and 1,175.61 is: 1,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.72 : 5,923.62 = 1,175.61 : x
  2. Step 2: Convert to fraction form
    3,948.72/5,923.62 = 1,175.61/x
  3. Step 3: Cross multiply
    3,948.72x = 5,923.62 × 1,175.61
  4. Step 4: Simplify right side
    3,948.72x = 6,963,866.91
  5. Step 5: Solve for x
    x = 6,963,866.91/3,948.72
  6. Step 6: Final answer
    x = 1,763.58

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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.