Home / 2,325.05-3,202.65-2,171.96

Finding the Fourth Proportional to 2,325.05, 3,202.65 and 2,171.96

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Solution

The fourth proportional to 2,325.05, 3,202.65 and 2,171.96 is: 2,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.05 : 3,202.65 = 2,171.96 : x
  2. Step 2: Convert to fraction form
    2,325.05/3,202.65 = 2,171.96/x
  3. Step 3: Cross multiply
    2,325.05x = 3,202.65 × 2,171.96
  4. Step 4: Simplify right side
    2,325.05x = 6,956,027.69
  5. Step 5: Solve for x
    x = 6,956,027.69/2,325.05
  6. Step 6: Final answer
    x = 2,991.78

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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.