Home / 3,212-4,808.88-2,222.60

Finding the Fourth Proportional to 3,212, 4,808.88 and 2,222.60

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Solution

The fourth proportional to 3,212, 4,808.88 and 2,222.60 is: 3,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212 : 4,808.88 = 2,222.60 : x
  2. Step 2: Convert to fraction form
    3,212/4,808.88 = 2,222.60/x
  3. Step 3: Cross multiply
    3,212x = 4,808.88 × 2,222.60
  4. Step 4: Simplify right side
    3,212x = 10,688,216.69
  5. Step 5: Solve for x
    x = 10,688,216.69/3,212
  6. Step 6: Final answer
    x = 3,327.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.