Home / 3,243.57-4,476.19-1,917.02

Finding the Fourth Proportional to 3,243.57, 4,476.19 and 1,917.02

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Solution

The fourth proportional to 3,243.57, 4,476.19 and 1,917.02 is: 2,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.57 : 4,476.19 = 1,917.02 : x
  2. Step 2: Convert to fraction form
    3,243.57/4,476.19 = 1,917.02/x
  3. Step 3: Cross multiply
    3,243.57x = 4,476.19 × 1,917.02
  4. Step 4: Simplify right side
    3,243.57x = 8,580,945.75
  5. Step 5: Solve for x
    x = 8,580,945.75/3,243.57
  6. Step 6: Final answer
    x = 2,645.53

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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.