Home / 2,222.87-3,332.22-1,125.95

Finding the Fourth Proportional to 2,222.87, 3,332.22 and 1,125.95

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Solution

The fourth proportional to 2,222.87, 3,332.22 and 1,125.95 is: 1,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.87 : 3,332.22 = 1,125.95 : x
  2. Step 2: Convert to fraction form
    2,222.87/3,332.22 = 1,125.95/x
  3. Step 3: Cross multiply
    2,222.87x = 3,332.22 × 1,125.95
  4. Step 4: Simplify right side
    2,222.87x = 3,751,896.45
  5. Step 5: Solve for x
    x = 3,751,896.45/2,222.87
  6. Step 6: Final answer
    x = 1,687.87

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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.