Home / 3,791.29-5,686.13-1,192.81

Finding the Fourth Proportional to 3,791.29, 5,686.13 and 1,192.81

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Solution

The fourth proportional to 3,791.29, 5,686.13 and 1,192.81 is: 1,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.29 : 5,686.13 = 1,192.81 : x
  2. Step 2: Convert to fraction form
    3,791.29/5,686.13 = 1,192.81/x
  3. Step 3: Cross multiply
    3,791.29x = 5,686.13 × 1,192.81
  4. Step 4: Simplify right side
    3,791.29x = 6,782,472.73
  5. Step 5: Solve for x
    x = 6,782,472.73/3,791.29
  6. Step 6: Final answer
    x = 1,788.96

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1.5x scale

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.