Home / 3,269.50-4,515.62-2,219.74

Finding the Fourth Proportional to 3,269.50, 4,515.62 and 2,219.74

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Solution

The fourth proportional to 3,269.50, 4,515.62 and 2,219.74 is: 3,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.50 : 4,515.62 = 2,219.74 : x
  2. Step 2: Convert to fraction form
    3,269.50/4,515.62 = 2,219.74/x
  3. Step 3: Cross multiply
    3,269.50x = 4,515.62 × 2,219.74
  4. Step 4: Simplify right side
    3,269.50x = 10,023,502.34
  5. Step 5: Solve for x
    x = 10,023,502.34/3,269.50
  6. Step 6: Final answer
    x = 3,065.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.