Home / 3,234.13-4,851.19-1,285.88

Finding the Fourth Proportional to 3,234.13, 4,851.19 and 1,285.88

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Solution

The fourth proportional to 3,234.13, 4,851.19 and 1,285.88 is: 1,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.13 : 4,851.19 = 1,285.88 : x
  2. Step 2: Convert to fraction form
    3,234.13/4,851.19 = 1,285.88/x
  3. Step 3: Cross multiply
    3,234.13x = 4,851.19 × 1,285.88
  4. Step 4: Simplify right side
    3,234.13x = 6,238,025.55
  5. Step 5: Solve for x
    x = 6,238,025.55/3,234.13
  6. Step 6: Final answer
    x = 1,928.81

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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.