Home / 3,767.28-5,653.29-1,458.78

Finding the Fourth Proportional to 3,767.28, 5,653.29 and 1,458.78

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Solution

The fourth proportional to 3,767.28, 5,653.29 and 1,458.78 is: 2,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.28 : 5,653.29 = 1,458.78 : x
  2. Step 2: Convert to fraction form
    3,767.28/5,653.29 = 1,458.78/x
  3. Step 3: Cross multiply
    3,767.28x = 5,653.29 × 1,458.78
  4. Step 4: Simplify right side
    3,767.28x = 8,246,906.39
  5. Step 5: Solve for x
    x = 8,246,906.39/3,767.28
  6. Step 6: Final answer
    x = 2,189.09

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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.