Home / 3,079.75-4,619.63-1,027.75

Finding the Fourth Proportional to 3,079.75, 4,619.63 and 1,027.75

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Solution

The fourth proportional to 3,079.75, 4,619.63 and 1,027.75 is: 1,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.75 : 4,619.63 = 1,027.75 : x
  2. Step 2: Convert to fraction form
    3,079.75/4,619.63 = 1,027.75/x
  3. Step 3: Cross multiply
    3,079.75x = 4,619.63 × 1,027.75
  4. Step 4: Simplify right side
    3,079.75x = 4,747,824.73
  5. Step 5: Solve for x
    x = 4,747,824.73/3,079.75
  6. Step 6: Final answer
    x = 1,541.63

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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.