Home / 3,229.08-4,840.34-2,189.18

Finding the Fourth Proportional to 3,229.08, 4,840.34 and 2,189.18

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Solution

The fourth proportional to 3,229.08, 4,840.34 and 2,189.18 is: 3,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.08 : 4,840.34 = 2,189.18 : x
  2. Step 2: Convert to fraction form
    3,229.08/4,840.34 = 2,189.18/x
  3. Step 3: Cross multiply
    3,229.08x = 4,840.34 × 2,189.18
  4. Step 4: Simplify right side
    3,229.08x = 10,596,375.52
  5. Step 5: Solve for x
    x = 10,596,375.52/3,229.08
  6. Step 6: Final answer
    x = 3,281.55

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1.5x scale

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.