Home / 3,481.98-5,219.31-1,631.59

Finding the Fourth Proportional to 3,481.98, 5,219.31 and 1,631.59

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Solution

The fourth proportional to 3,481.98, 5,219.31 and 1,631.59 is: 2,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.98 : 5,219.31 = 1,631.59 : x
  2. Step 2: Convert to fraction form
    3,481.98/5,219.31 = 1,631.59/x
  3. Step 3: Cross multiply
    3,481.98x = 5,219.31 × 1,631.59
  4. Step 4: Simplify right side
    3,481.98x = 8,515,774.00
  5. Step 5: Solve for x
    x = 8,515,774.00/3,481.98
  6. Step 6: Final answer
    x = 2,445.67

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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.