Home / 3,208.60-4,427.22-2,212.30

Finding the Fourth Proportional to 3,208.60, 4,427.22 and 2,212.30

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Solution

The fourth proportional to 3,208.60, 4,427.22 and 2,212.30 is: 3,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.60 : 4,427.22 = 2,212.30 : x
  2. Step 2: Convert to fraction form
    3,208.60/4,427.22 = 2,212.30/x
  3. Step 3: Cross multiply
    3,208.60x = 4,427.22 × 2,212.30
  4. Step 4: Simplify right side
    3,208.60x = 9,794,338.81
  5. Step 5: Solve for x
    x = 9,794,338.81/3,208.60
  6. Step 6: Final answer
    x = 3,052.53

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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.