Home / 3,027.30-4,540.14-1,079.28

Finding the Fourth Proportional to 3,027.30, 4,540.14 and 1,079.28

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Solution

The fourth proportional to 3,027.30, 4,540.14 and 1,079.28 is: 1,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.30 : 4,540.14 = 1,079.28 : x
  2. Step 2: Convert to fraction form
    3,027.30/4,540.14 = 1,079.28/x
  3. Step 3: Cross multiply
    3,027.30x = 4,540.14 × 1,079.28
  4. Step 4: Simplify right side
    3,027.30x = 4,900,082.30
  5. Step 5: Solve for x
    x = 4,900,082.30/3,027.30
  6. Step 6: Final answer
    x = 1,618.63

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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.