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Finding the Fourth Proportional to 3,472.52, 4,791.89 and 1,900.31

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Solution

The fourth proportional to 3,472.52, 4,791.89 and 1,900.31 is: 2,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.52 : 4,791.89 = 1,900.31 : x
  2. Step 2: Convert to fraction form
    3,472.52/4,791.89 = 1,900.31/x
  3. Step 3: Cross multiply
    3,472.52x = 4,791.89 × 1,900.31
  4. Step 4: Simplify right side
    3,472.52x = 9,106,046.59
  5. Step 5: Solve for x
    x = 9,106,046.59/3,472.52
  6. Step 6: Final answer
    x = 2,622.32

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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.