Home / 3,562.05-5,343.72-1,221.96

Finding the Fourth Proportional to 3,562.05, 5,343.72 and 1,221.96

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Solution

The fourth proportional to 3,562.05, 5,343.72 and 1,221.96 is: 1,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.05 : 5,343.72 = 1,221.96 : x
  2. Step 2: Convert to fraction form
    3,562.05/5,343.72 = 1,221.96/x
  3. Step 3: Cross multiply
    3,562.05x = 5,343.72 × 1,221.96
  4. Step 4: Simplify right side
    3,562.05x = 6,529,812.09
  5. Step 5: Solve for x
    x = 6,529,812.09/3,562.05
  6. Step 6: Final answer
    x = 1,833.16

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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.