Home / 3,690.80-5,536.91-1,192.66

Finding the Fourth Proportional to 3,690.80, 5,536.91 and 1,192.66

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Solution

The fourth proportional to 3,690.80, 5,536.91 and 1,192.66 is: 1,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.80 : 5,536.91 = 1,192.66 : x
  2. Step 2: Convert to fraction form
    3,690.80/5,536.91 = 1,192.66/x
  3. Step 3: Cross multiply
    3,690.80x = 5,536.91 × 1,192.66
  4. Step 4: Simplify right side
    3,690.80x = 6,603,628.83
  5. Step 5: Solve for x
    x = 6,603,628.83/3,690.80
  6. Step 6: Final answer
    x = 1,789.21

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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.