Home / 4,131.72-5,704.65-2,698.50

Finding the Fourth Proportional to 4,131.72, 5,704.65 and 2,698.50

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Solution

The fourth proportional to 4,131.72, 5,704.65 and 2,698.50 is: 3,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.72 : 5,704.65 = 2,698.50 : x
  2. Step 2: Convert to fraction form
    4,131.72/5,704.65 = 2,698.50/x
  3. Step 3: Cross multiply
    4,131.72x = 5,704.65 × 2,698.50
  4. Step 4: Simplify right side
    4,131.72x = 15,393,998.03
  5. Step 5: Solve for x
    x = 15,393,998.03/4,131.72
  6. Step 6: Final answer
    x = 3,725.81

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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.