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Finding the Fourth Proportional to 1,805.97, 2,693.29 and 1,631.01

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Solution

The fourth proportional to 1,805.97, 2,693.29 and 1,631.01 is: 2,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.97 : 2,693.29 = 1,631.01 : x
  2. Step 2: Convert to fraction form
    1,805.97/2,693.29 = 1,631.01/x
  3. Step 3: Cross multiply
    1,805.97x = 2,693.29 × 1,631.01
  4. Step 4: Simplify right side
    1,805.97x = 4,392,778.85
  5. Step 5: Solve for x
    x = 4,392,778.85/1,805.97
  6. Step 6: Final answer
    x = 2,432.37

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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.