Home / 3,399.30-5,090.48-2,163.06

Finding the Fourth Proportional to 3,399.30, 5,090.48 and 2,163.06

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Solution

The fourth proportional to 3,399.30, 5,090.48 and 2,163.06 is: 3,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.30 : 5,090.48 = 2,163.06 : x
  2. Step 2: Convert to fraction form
    3,399.30/5,090.48 = 2,163.06/x
  3. Step 3: Cross multiply
    3,399.30x = 5,090.48 × 2,163.06
  4. Step 4: Simplify right side
    3,399.30x = 11,011,013.67
  5. Step 5: Solve for x
    x = 11,011,013.67/3,399.30
  6. Step 6: Final answer
    x = 3,239.20

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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.