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Finding the Fourth Proportional to 3,835.54, 5,754.67 and 2,193.47

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Solution

The fourth proportional to 3,835.54, 5,754.67 and 2,193.47 is: 3,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.54 : 5,754.67 = 2,193.47 : x
  2. Step 2: Convert to fraction form
    3,835.54/5,754.67 = 2,193.47/x
  3. Step 3: Cross multiply
    3,835.54x = 5,754.67 × 2,193.47
  4. Step 4: Simplify right side
    3,835.54x = 12,622,667.23
  5. Step 5: Solve for x
    x = 12,622,667.23/3,835.54
  6. Step 6: Final answer
    x = 3,290.98

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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.