Home / 3,217.32-4,829.08-2,122.44

Finding the Fourth Proportional to 3,217.32, 4,829.08 and 2,122.44

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Solution

The fourth proportional to 3,217.32, 4,829.08 and 2,122.44 is: 3,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.32 : 4,829.08 = 2,122.44 : x
  2. Step 2: Convert to fraction form
    3,217.32/4,829.08 = 2,122.44/x
  3. Step 3: Cross multiply
    3,217.32x = 4,829.08 × 2,122.44
  4. Step 4: Simplify right side
    3,217.32x = 10,249,432.56
  5. Step 5: Solve for x
    x = 10,249,432.56/3,217.32
  6. Step 6: Final answer
    x = 3,185.71

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1.5x scale

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.