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Finding the Fourth Proportional to 3,687.58, 5,095.54 and 2,801.85

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Solution

The fourth proportional to 3,687.58, 5,095.54 and 2,801.85 is: 3,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.58 : 5,095.54 = 2,801.85 : x
  2. Step 2: Convert to fraction form
    3,687.58/5,095.54 = 2,801.85/x
  3. Step 3: Cross multiply
    3,687.58x = 5,095.54 × 2,801.85
  4. Step 4: Simplify right side
    3,687.58x = 14,276,938.75
  5. Step 5: Solve for x
    x = 14,276,938.75/3,687.58
  6. Step 6: Final answer
    x = 3,871.63

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