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Finding the Fourth Proportional to 2,687.41, 3,710.36 and 1,847.84

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Solution

The fourth proportional to 2,687.41, 3,710.36 and 1,847.84 is: 2,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.41 : 3,710.36 = 1,847.84 : x
  2. Step 2: Convert to fraction form
    2,687.41/3,710.36 = 1,847.84/x
  3. Step 3: Cross multiply
    2,687.41x = 3,710.36 × 1,847.84
  4. Step 4: Simplify right side
    2,687.41x = 6,856,151.66
  5. Step 5: Solve for x
    x = 6,856,151.66/2,687.41
  6. Step 6: Final answer
    x = 2,551.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.