Home / 3,213.03-4,427.05-2,163.27

Finding the Fourth Proportional to 3,213.03, 4,427.05 and 2,163.27

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Solution

The fourth proportional to 3,213.03, 4,427.05 and 2,163.27 is: 2,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.03 : 4,427.05 = 2,163.27 : x
  2. Step 2: Convert to fraction form
    3,213.03/4,427.05 = 2,163.27/x
  3. Step 3: Cross multiply
    3,213.03x = 4,427.05 × 2,163.27
  4. Step 4: Simplify right side
    3,213.03x = 9,576,904.45
  5. Step 5: Solve for x
    x = 9,576,904.45/3,213.03
  6. Step 6: Final answer
    x = 2,980.65

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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.