Home / 3,269.58-4,904.60-1,321.76

Finding the Fourth Proportional to 3,269.58, 4,904.60 and 1,321.76

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Solution

The fourth proportional to 3,269.58, 4,904.60 and 1,321.76 is: 1,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.58 : 4,904.60 = 1,321.76 : x
  2. Step 2: Convert to fraction form
    3,269.58/4,904.60 = 1,321.76/x
  3. Step 3: Cross multiply
    3,269.58x = 4,904.60 × 1,321.76
  4. Step 4: Simplify right side
    3,269.58x = 6,482,672.96
  5. Step 5: Solve for x
    x = 6,482,672.96/3,269.58
  6. Step 6: Final answer
    x = 1,982.72

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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.