Home / 3,204.23-4,422.15-1,945.00

Finding the Fourth Proportional to 3,204.23, 4,422.15 and 1,945.00

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Solution

The fourth proportional to 3,204.23, 4,422.15 and 1,945.00 is: 2,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.23 : 4,422.15 = 1,945.00 : x
  2. Step 2: Convert to fraction form
    3,204.23/4,422.15 = 1,945.00/x
  3. Step 3: Cross multiply
    3,204.23x = 4,422.15 × 1,945.00
  4. Step 4: Simplify right side
    3,204.23x = 8,601,070.69
  5. Step 5: Solve for x
    x = 8,601,070.69/3,204.23
  6. Step 6: Final answer
    x = 2,684.28

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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.