Home / 1,247.33-1,868.27-1,222.43

Finding the Fourth Proportional to 1,247.33, 1,868.27 and 1,222.43

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Solution

The fourth proportional to 1,247.33, 1,868.27 and 1,222.43 is: 1,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.33 : 1,868.27 = 1,222.43 : x
  2. Step 2: Convert to fraction form
    1,247.33/1,868.27 = 1,222.43/x
  3. Step 3: Cross multiply
    1,247.33x = 1,868.27 × 1,222.43
  4. Step 4: Simplify right side
    1,247.33x = 2,283,813.84
  5. Step 5: Solve for x
    x = 2,283,813.84/1,247.33
  6. Step 6: Final answer
    x = 1,830.96

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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.