Home / 3,213.27-4,432.93-2,149.94

Finding the Fourth Proportional to 3,213.27, 4,432.93 and 2,149.94

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Solution

The fourth proportional to 3,213.27, 4,432.93 and 2,149.94 is: 2,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.27 : 4,432.93 = 2,149.94 : x
  2. Step 2: Convert to fraction form
    3,213.27/4,432.93 = 2,149.94/x
  3. Step 3: Cross multiply
    3,213.27x = 4,432.93 × 2,149.94
  4. Step 4: Simplify right side
    3,213.27x = 9,530,539.23
  5. Step 5: Solve for x
    x = 9,530,539.23/3,213.27
  6. Step 6: Final answer
    x = 2,965.99

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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.