Home / 3,272.25-4,515.29-2,212.32

Finding the Fourth Proportional to 3,272.25, 4,515.29 and 2,212.32

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Solution

The fourth proportional to 3,272.25, 4,515.29 and 2,212.32 is: 3,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.25 : 4,515.29 = 2,212.32 : x
  2. Step 2: Convert to fraction form
    3,272.25/4,515.29 = 2,212.32/x
  3. Step 3: Cross multiply
    3,272.25x = 4,515.29 × 2,212.32
  4. Step 4: Simplify right side
    3,272.25x = 9,989,266.37
  5. Step 5: Solve for x
    x = 9,989,266.37/3,272.25
  6. Step 6: Final answer
    x = 3,052.72

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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.