Home / 3,330-4,984.92-2,225.52

Finding the Fourth Proportional to 3,330, 4,984.92 and 2,225.52

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Solution

The fourth proportional to 3,330, 4,984.92 and 2,225.52 is: 3,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330 : 4,984.92 = 2,225.52 : x
  2. Step 2: Convert to fraction form
    3,330/4,984.92 = 2,225.52/x
  3. Step 3: Cross multiply
    3,330x = 4,984.92 × 2,225.52
  4. Step 4: Simplify right side
    3,330x = 11,094,039.16
  5. Step 5: Solve for x
    x = 11,094,039.16/3,330
  6. Step 6: Final answer
    x = 3,331.54

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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.