Home / 2,227.46-3,341.64-667.40

Finding the Fourth Proportional to 2,227.46, 3,341.64 and 667.40

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Solution

The fourth proportional to 2,227.46, 3,341.64 and 667.40 is: 1,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.46 : 3,341.64 = 667.40 : x
  2. Step 2: Convert to fraction form
    2,227.46/3,341.64 = 667.40/x
  3. Step 3: Cross multiply
    2,227.46x = 3,341.64 × 667.40
  4. Step 4: Simplify right side
    2,227.46x = 2,230,193.83
  5. Step 5: Solve for x
    x = 2,230,193.83/2,227.46
  6. Step 6: Final answer
    x = 1,001.23

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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.