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Finding the Fourth Proportional to 1,808.73, 2,513.30 and 1,801.44

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Solution

The fourth proportional to 1,808.73, 2,513.30 and 1,801.44 is: 2,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.73 : 2,513.30 = 1,801.44 : x
  2. Step 2: Convert to fraction form
    1,808.73/2,513.30 = 1,801.44/x
  3. Step 3: Cross multiply
    1,808.73x = 2,513.30 × 1,801.44
  4. Step 4: Simplify right side
    1,808.73x = 4,527,550.14
  5. Step 5: Solve for x
    x = 4,527,550.14/1,808.73
  6. Step 6: Final answer
    x = 2,503.17

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.