Home / 3,225.27-4,449.31-2,106.57

Finding the Fourth Proportional to 3,225.27, 4,449.31 and 2,106.57

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Solution

The fourth proportional to 3,225.27, 4,449.31 and 2,106.57 is: 2,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.27 : 4,449.31 = 2,106.57 : x
  2. Step 2: Convert to fraction form
    3,225.27/4,449.31 = 2,106.57/x
  3. Step 3: Cross multiply
    3,225.27x = 4,449.31 × 2,106.57
  4. Step 4: Simplify right side
    3,225.27x = 9,372,782.97
  5. Step 5: Solve for x
    x = 9,372,782.97/3,225.27
  6. Step 6: Final answer
    x = 2,906.05

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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.