Home / 3,818.39-5,727.89-1,738.46

Finding the Fourth Proportional to 3,818.39, 5,727.89 and 1,738.46

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Solution

The fourth proportional to 3,818.39, 5,727.89 and 1,738.46 is: 2,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.39 : 5,727.89 = 1,738.46 : x
  2. Step 2: Convert to fraction form
    3,818.39/5,727.89 = 1,738.46/x
  3. Step 3: Cross multiply
    3,818.39x = 5,727.89 × 1,738.46
  4. Step 4: Simplify right side
    3,818.39x = 9,957,698.96
  5. Step 5: Solve for x
    x = 9,957,698.96/3,818.39
  6. Step 6: Final answer
    x = 2,607.83

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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.