Home / 3,945.26-5,444.50-2,176.86

Finding the Fourth Proportional to 3,945.26, 5,444.50 and 2,176.86

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Solution

The fourth proportional to 3,945.26, 5,444.50 and 2,176.86 is: 3,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.26 : 5,444.50 = 2,176.86 : x
  2. Step 2: Convert to fraction form
    3,945.26/5,444.50 = 2,176.86/x
  3. Step 3: Cross multiply
    3,945.26x = 5,444.50 × 2,176.86
  4. Step 4: Simplify right side
    3,945.26x = 11,851,914.27
  5. Step 5: Solve for x
    x = 11,851,914.27/3,945.26
  6. Step 6: Final answer
    x = 3,004.09

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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.