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Finding the Fourth Proportional to 3,801.51, 5,701.79 and 1,609.97

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Solution

The fourth proportional to 3,801.51, 5,701.79 and 1,609.97 is: 2,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.51 : 5,701.79 = 1,609.97 : x
  2. Step 2: Convert to fraction form
    3,801.51/5,701.79 = 1,609.97/x
  3. Step 3: Cross multiply
    3,801.51x = 5,701.79 × 1,609.97
  4. Step 4: Simplify right side
    3,801.51x = 9,179,686.36
  5. Step 5: Solve for x
    x = 9,179,686.36/3,801.51
  6. Step 6: Final answer
    x = 2,414.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.