Home / 2,215.96-3,324.04-917.73

Finding the Fourth Proportional to 2,215.96, 3,324.04 and 917.73

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Solution

The fourth proportional to 2,215.96, 3,324.04 and 917.73 is: 1,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.96 : 3,324.04 = 917.73 : x
  2. Step 2: Convert to fraction form
    2,215.96/3,324.04 = 917.73/x
  3. Step 3: Cross multiply
    2,215.96x = 3,324.04 × 917.73
  4. Step 4: Simplify right side
    2,215.96x = 3,050,568.93
  5. Step 5: Solve for x
    x = 3,050,568.93/2,215.96
  6. Step 6: Final answer
    x = 1,376.64

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1.5x scale

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.