Home / 1,851.08-2,781.11-1,193.27

Finding the Fourth Proportional to 1,851.08, 2,781.11 and 1,193.27

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Solution

The fourth proportional to 1,851.08, 2,781.11 and 1,193.27 is: 1,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.08 : 2,781.11 = 1,193.27 : x
  2. Step 2: Convert to fraction form
    1,851.08/2,781.11 = 1,193.27/x
  3. Step 3: Cross multiply
    1,851.08x = 2,781.11 × 1,193.27
  4. Step 4: Simplify right side
    1,851.08x = 3,318,619.85
  5. Step 5: Solve for x
    x = 3,318,619.85/1,851.08
  6. Step 6: Final answer
    x = 1,792.81

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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.