Home / 3,687.03-5,529.96-1,221.75

Finding the Fourth Proportional to 3,687.03, 5,529.96 and 1,221.75

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Solution

The fourth proportional to 3,687.03, 5,529.96 and 1,221.75 is: 1,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.03 : 5,529.96 = 1,221.75 : x
  2. Step 2: Convert to fraction form
    3,687.03/5,529.96 = 1,221.75/x
  3. Step 3: Cross multiply
    3,687.03x = 5,529.96 × 1,221.75
  4. Step 4: Simplify right side
    3,687.03x = 6,756,228.63
  5. Step 5: Solve for x
    x = 6,756,228.63/3,687.03
  6. Step 6: Final answer
    x = 1,832.43

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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.