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Finding the Fourth Proportional to 2,866.72, 4,304.06 and 1,481.08

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Solution

The fourth proportional to 2,866.72, 4,304.06 and 1,481.08 is: 2,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.72 : 4,304.06 = 1,481.08 : x
  2. Step 2: Convert to fraction form
    2,866.72/4,304.06 = 1,481.08/x
  3. Step 3: Cross multiply
    2,866.72x = 4,304.06 × 1,481.08
  4. Step 4: Simplify right side
    2,866.72x = 6,374,657.18
  5. Step 5: Solve for x
    x = 6,374,657.18/2,866.72
  6. Step 6: Final answer
    x = 2,223.68

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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.