Home / 3,234.20-4,848.42-1,285.88

Finding the Fourth Proportional to 3,234.20, 4,848.42 and 1,285.88

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Solution

The fourth proportional to 3,234.20, 4,848.42 and 1,285.88 is: 1,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.20 : 4,848.42 = 1,285.88 : x
  2. Step 2: Convert to fraction form
    3,234.20/4,848.42 = 1,285.88/x
  3. Step 3: Cross multiply
    3,234.20x = 4,848.42 × 1,285.88
  4. Step 4: Simplify right side
    3,234.20x = 6,234,486.31
  5. Step 5: Solve for x
    x = 6,234,486.31/3,234.20
  6. Step 6: Final answer
    x = 1,927.67

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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.