Home / 2,062.21-3,090.55-1,331.41

Finding the Fourth Proportional to 2,062.21, 3,090.55 and 1,331.41

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Solution

The fourth proportional to 2,062.21, 3,090.55 and 1,331.41 is: 1,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.21 : 3,090.55 = 1,331.41 : x
  2. Step 2: Convert to fraction form
    2,062.21/3,090.55 = 1,331.41/x
  3. Step 3: Cross multiply
    2,062.21x = 3,090.55 × 1,331.41
  4. Step 4: Simplify right side
    2,062.21x = 4,114,789.18
  5. Step 5: Solve for x
    x = 4,114,789.18/2,062.21
  6. Step 6: Final answer
    x = 1,995.33

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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.