Home / 3,027.63-4,540.91-1,178.78

Finding the Fourth Proportional to 3,027.63, 4,540.91 and 1,178.78

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Solution

The fourth proportional to 3,027.63, 4,540.91 and 1,178.78 is: 1,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.63 : 4,540.91 = 1,178.78 : x
  2. Step 2: Convert to fraction form
    3,027.63/4,540.91 = 1,178.78/x
  3. Step 3: Cross multiply
    3,027.63x = 4,540.91 × 1,178.78
  4. Step 4: Simplify right side
    3,027.63x = 5,352,724.69
  5. Step 5: Solve for x
    x = 5,352,724.69/3,027.63
  6. Step 6: Final answer
    x = 1,767.96

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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.