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Finding the Fourth Proportional to 3,956.44, 5,928.50 and 3,543.32

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Solution

The fourth proportional to 3,956.44, 5,928.50 and 3,543.32 is: 5,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.44 : 5,928.50 = 3,543.32 : x
  2. Step 2: Convert to fraction form
    3,956.44/5,928.50 = 3,543.32/x
  3. Step 3: Cross multiply
    3,956.44x = 5,928.50 × 3,543.32
  4. Step 4: Simplify right side
    3,956.44x = 21,006,572.62
  5. Step 5: Solve for x
    x = 21,006,572.62/3,956.44
  6. Step 6: Final answer
    x = 5,309.46

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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.