Home / 3,227.30-4,828.80-2,133.80

Finding the Fourth Proportional to 3,227.30, 4,828.80 and 2,133.80

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Solution

The fourth proportional to 3,227.30, 4,828.80 and 2,133.80 is: 3,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.30 : 4,828.80 = 2,133.80 : x
  2. Step 2: Convert to fraction form
    3,227.30/4,828.80 = 2,133.80/x
  3. Step 3: Cross multiply
    3,227.30x = 4,828.80 × 2,133.80
  4. Step 4: Simplify right side
    3,227.30x = 10,303,693.44
  5. Step 5: Solve for x
    x = 10,303,693.44/3,227.30
  6. Step 6: Final answer
    x = 3,192.67

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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.