Home / 3,219.86-4,830.24-1,027.85

Finding the Fourth Proportional to 3,219.86, 4,830.24 and 1,027.85

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Solution

The fourth proportional to 3,219.86, 4,830.24 and 1,027.85 is: 1,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.86 : 4,830.24 = 1,027.85 : x
  2. Step 2: Convert to fraction form
    3,219.86/4,830.24 = 1,027.85/x
  3. Step 3: Cross multiply
    3,219.86x = 4,830.24 × 1,027.85
  4. Step 4: Simplify right side
    3,219.86x = 4,964,738.03
  5. Step 5: Solve for x
    x = 4,964,738.03/3,219.86
  6. Step 6: Final answer
    x = 1,541.91

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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.