Home / 1,195.03-1,792.55-1,131.85

Finding the Fourth Proportional to 1,195.03, 1,792.55 and 1,131.85

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Solution

The fourth proportional to 1,195.03, 1,792.55 and 1,131.85 is: 1,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.03 : 1,792.55 = 1,131.85 : x
  2. Step 2: Convert to fraction form
    1,195.03/1,792.55 = 1,131.85/x
  3. Step 3: Cross multiply
    1,195.03x = 1,792.55 × 1,131.85
  4. Step 4: Simplify right side
    1,195.03x = 2,028,897.72
  5. Step 5: Solve for x
    x = 2,028,897.72/1,195.03
  6. Step 6: Final answer
    x = 1,697.78

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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.