Home / 3,738.60-5,607.06-1,105.55

Finding the Fourth Proportional to 3,738.60, 5,607.06 and 1,105.55

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Solution

The fourth proportional to 3,738.60, 5,607.06 and 1,105.55 is: 1,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.60 : 5,607.06 = 1,105.55 : x
  2. Step 2: Convert to fraction form
    3,738.60/5,607.06 = 1,105.55/x
  3. Step 3: Cross multiply
    3,738.60x = 5,607.06 × 1,105.55
  4. Step 4: Simplify right side
    3,738.60x = 6,198,857.15
  5. Step 5: Solve for x
    x = 6,198,857.15/3,738.60
  6. Step 6: Final answer
    x = 1,658.07

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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.