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Finding the Fourth Proportional to 2,649.41, 3,974.16 and 1,714.47

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Solution

The fourth proportional to 2,649.41, 3,974.16 and 1,714.47 is: 2,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.41 : 3,974.16 = 1,714.47 : x
  2. Step 2: Convert to fraction form
    2,649.41/3,974.16 = 1,714.47/x
  3. Step 3: Cross multiply
    2,649.41x = 3,974.16 × 1,714.47
  4. Step 4: Simplify right side
    2,649.41x = 6,813,569.62
  5. Step 5: Solve for x
    x = 6,813,569.62/2,649.41
  6. Step 6: Final answer
    x = 2,571.73

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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.