Home / 1,222.75-1,835.97-1,180.24

Finding the Fourth Proportional to 1,222.75, 1,835.97 and 1,180.24

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Solution

The fourth proportional to 1,222.75, 1,835.97 and 1,180.24 is: 1,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.75 : 1,835.97 = 1,180.24 : x
  2. Step 2: Convert to fraction form
    1,222.75/1,835.97 = 1,180.24/x
  3. Step 3: Cross multiply
    1,222.75x = 1,835.97 × 1,180.24
  4. Step 4: Simplify right side
    1,222.75x = 2,166,885.23
  5. Step 5: Solve for x
    x = 2,166,885.23/1,222.75
  6. Step 6: Final answer
    x = 1,772.14

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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.