Home / 2,215.96-3,324.30-1,061.74

Finding the Fourth Proportional to 2,215.96, 3,324.30 and 1,061.74

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Solution

The fourth proportional to 2,215.96, 3,324.30 and 1,061.74 is: 1,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.96 : 3,324.30 = 1,061.74 : x
  2. Step 2: Convert to fraction form
    2,215.96/3,324.30 = 1,061.74/x
  3. Step 3: Cross multiply
    2,215.96x = 3,324.30 × 1,061.74
  4. Step 4: Simplify right side
    2,215.96x = 3,529,542.28
  5. Step 5: Solve for x
    x = 3,529,542.28/2,215.96
  6. Step 6: Final answer
    x = 1,592.78

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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.