Home / 3,691.64-5,536.17-1,225.80

Finding the Fourth Proportional to 3,691.64, 5,536.17 and 1,225.80

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Solution

The fourth proportional to 3,691.64, 5,536.17 and 1,225.80 is: 1,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.64 : 5,536.17 = 1,225.80 : x
  2. Step 2: Convert to fraction form
    3,691.64/5,536.17 = 1,225.80/x
  3. Step 3: Cross multiply
    3,691.64x = 5,536.17 × 1,225.80
  4. Step 4: Simplify right side
    3,691.64x = 6,786,237.19
  5. Step 5: Solve for x
    x = 6,786,237.19/3,691.64
  6. Step 6: Final answer
    x = 1,838.27

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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.