Home / 3,174.45-4,763.65-1,531.17

Finding the Fourth Proportional to 3,174.45, 4,763.65 and 1,531.17

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Solution

The fourth proportional to 3,174.45, 4,763.65 and 1,531.17 is: 2,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.45 : 4,763.65 = 1,531.17 : x
  2. Step 2: Convert to fraction form
    3,174.45/4,763.65 = 1,531.17/x
  3. Step 3: Cross multiply
    3,174.45x = 4,763.65 × 1,531.17
  4. Step 4: Simplify right side
    3,174.45x = 7,293,957.97
  5. Step 5: Solve for x
    x = 7,293,957.97/3,174.45
  6. Step 6: Final answer
    x = 2,297.71

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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.