Home / 3,284.25-4,530.78-2,221.67

Finding the Fourth Proportional to 3,284.25, 4,530.78 and 2,221.67

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Solution

The fourth proportional to 3,284.25, 4,530.78 and 2,221.67 is: 3,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.25 : 4,530.78 = 2,221.67 : x
  2. Step 2: Convert to fraction form
    3,284.25/4,530.78 = 2,221.67/x
  3. Step 3: Cross multiply
    3,284.25x = 4,530.78 × 2,221.67
  4. Step 4: Simplify right side
    3,284.25x = 10,065,875.35
  5. Step 5: Solve for x
    x = 10,065,875.35/3,284.25
  6. Step 6: Final answer
    x = 3,064.89

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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.