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Finding the Fourth Proportional to 1,804.73, 2,691.32 and 1,605.62

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Solution

The fourth proportional to 1,804.73, 2,691.32 and 1,605.62 is: 2,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.73 : 2,691.32 = 1,605.62 : x
  2. Step 2: Convert to fraction form
    1,804.73/2,691.32 = 1,605.62/x
  3. Step 3: Cross multiply
    1,804.73x = 2,691.32 × 1,605.62
  4. Step 4: Simplify right side
    1,804.73x = 4,321,227.78
  5. Step 5: Solve for x
    x = 4,321,227.78/1,804.73
  6. Step 6: Final answer
    x = 2,394.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.