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Finding the Fourth Proportional to 3,472.67, 5,211.03 and 1,393.67

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Solution

The fourth proportional to 3,472.67, 5,211.03 and 1,393.67 is: 2,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.67 : 5,211.03 = 1,393.67 : x
  2. Step 2: Convert to fraction form
    3,472.67/5,211.03 = 1,393.67/x
  3. Step 3: Cross multiply
    3,472.67x = 5,211.03 × 1,393.67
  4. Step 4: Simplify right side
    3,472.67x = 7,262,456.18
  5. Step 5: Solve for x
    x = 7,262,456.18/3,472.67
  6. Step 6: Final answer
    x = 2,091.32

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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.