Home / 3,824.25-5,275.22-2,405.68

Finding the Fourth Proportional to 3,824.25, 5,275.22 and 2,405.68

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Solution

The fourth proportional to 3,824.25, 5,275.22 and 2,405.68 is: 3,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.25 : 5,275.22 = 2,405.68 : x
  2. Step 2: Convert to fraction form
    3,824.25/5,275.22 = 2,405.68/x
  3. Step 3: Cross multiply
    3,824.25x = 5,275.22 × 2,405.68
  4. Step 4: Simplify right side
    3,824.25x = 12,690,491.25
  5. Step 5: Solve for x
    x = 12,690,491.25/3,824.25
  6. Step 6: Final answer
    x = 3,318.43

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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.