Home / 3,218.35-4,827.12-1,027.30

Finding the Fourth Proportional to 3,218.35, 4,827.12 and 1,027.30

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Solution

The fourth proportional to 3,218.35, 4,827.12 and 1,027.30 is: 1,540.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.35 : 4,827.12 = 1,027.30 : x
  2. Step 2: Convert to fraction form
    3,218.35/4,827.12 = 1,027.30/x
  3. Step 3: Cross multiply
    3,218.35x = 4,827.12 × 1,027.30
  4. Step 4: Simplify right side
    3,218.35x = 4,958,900.38
  5. Step 5: Solve for x
    x = 4,958,900.38/3,218.35
  6. Step 6: Final answer
    x = 1,540.82

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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.