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Finding the Fourth Proportional to 3,474.45, 5,213.11 and 1,395.92

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Solution

The fourth proportional to 3,474.45, 5,213.11 and 1,395.92 is: 2,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.45 : 5,213.11 = 1,395.92 : x
  2. Step 2: Convert to fraction form
    3,474.45/5,213.11 = 1,395.92/x
  3. Step 3: Cross multiply
    3,474.45x = 5,213.11 × 1,395.92
  4. Step 4: Simplify right side
    3,474.45x = 7,277,099.29
  5. Step 5: Solve for x
    x = 7,277,099.29/3,474.45
  6. Step 6: Final answer
    x = 2,094.46

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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.