Home / 3,227.18-4,837.62-1,378.76

Finding the Fourth Proportional to 3,227.18, 4,837.62 and 1,378.76

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Solution

The fourth proportional to 3,227.18, 4,837.62 and 1,378.76 is: 2,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.18 : 4,837.62 = 1,378.76 : x
  2. Step 2: Convert to fraction form
    3,227.18/4,837.62 = 1,378.76/x
  3. Step 3: Cross multiply
    3,227.18x = 4,837.62 × 1,378.76
  4. Step 4: Simplify right side
    3,227.18x = 6,669,897.93
  5. Step 5: Solve for x
    x = 6,669,897.93/3,227.18
  6. Step 6: Final answer
    x = 2,066.79

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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.