Home / 2,205.01-3,042.66-1,321.03

Finding the Fourth Proportional to 2,205.01, 3,042.66 and 1,321.03

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Solution

The fourth proportional to 2,205.01, 3,042.66 and 1,321.03 is: 1,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.01 : 3,042.66 = 1,321.03 : x
  2. Step 2: Convert to fraction form
    2,205.01/3,042.66 = 1,321.03/x
  3. Step 3: Cross multiply
    2,205.01x = 3,042.66 × 1,321.03
  4. Step 4: Simplify right side
    2,205.01x = 4,019,445.14
  5. Step 5: Solve for x
    x = 4,019,445.14/2,205.01
  6. Step 6: Final answer
    x = 1,822.87

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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.