Home / 3,214.35-4,439.97-2,217.87

Finding the Fourth Proportional to 3,214.35, 4,439.97 and 2,217.87

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Solution

The fourth proportional to 3,214.35, 4,439.97 and 2,217.87 is: 3,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.35 : 4,439.97 = 2,217.87 : x
  2. Step 2: Convert to fraction form
    3,214.35/4,439.97 = 2,217.87/x
  3. Step 3: Cross multiply
    3,214.35x = 4,439.97 × 2,217.87
  4. Step 4: Simplify right side
    3,214.35x = 9,847,276.26
  5. Step 5: Solve for x
    x = 9,847,276.26/3,214.35
  6. Step 6: Final answer
    x = 3,063.54

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1.5x scale

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.