Home / 3,902.98-5,383.65-2,723.62

Finding the Fourth Proportional to 3,902.98, 5,383.65 and 2,723.62

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Solution

The fourth proportional to 3,902.98, 5,383.65 and 2,723.62 is: 3,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.98 : 5,383.65 = 2,723.62 : x
  2. Step 2: Convert to fraction form
    3,902.98/5,383.65 = 2,723.62/x
  3. Step 3: Cross multiply
    3,902.98x = 5,383.65 × 2,723.62
  4. Step 4: Simplify right side
    3,902.98x = 14,663,016.81
  5. Step 5: Solve for x
    x = 14,663,016.81/3,902.98
  6. Step 6: Final answer
    x = 3,756.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.