Home / 2,217.54-3,060.07-1,222.83

Finding the Fourth Proportional to 2,217.54, 3,060.07 and 1,222.83

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Solution

The fourth proportional to 2,217.54, 3,060.07 and 1,222.83 is: 1,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.54 : 3,060.07 = 1,222.83 : x
  2. Step 2: Convert to fraction form
    2,217.54/3,060.07 = 1,222.83/x
  3. Step 3: Cross multiply
    2,217.54x = 3,060.07 × 1,222.83
  4. Step 4: Simplify right side
    2,217.54x = 3,741,945.40
  5. Step 5: Solve for x
    x = 3,741,945.40/2,217.54
  6. Step 6: Final answer
    x = 1,687.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.