Home / 3,687.31-5,530.76-2,226.07

Finding the Fourth Proportional to 3,687.31, 5,530.76 and 2,226.07

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Solution

The fourth proportional to 3,687.31, 5,530.76 and 2,226.07 is: 3,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.31 : 5,530.76 = 2,226.07 : x
  2. Step 2: Convert to fraction form
    3,687.31/5,530.76 = 2,226.07/x
  3. Step 3: Cross multiply
    3,687.31x = 5,530.76 × 2,226.07
  4. Step 4: Simplify right side
    3,687.31x = 12,311,858.91
  5. Step 5: Solve for x
    x = 12,311,858.91/3,687.31
  6. Step 6: Final answer
    x = 3,338.98

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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.