Home / 3,759.25-5,190.37-2,817.13

Finding the Fourth Proportional to 3,759.25, 5,190.37 and 2,817.13

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Solution

The fourth proportional to 3,759.25, 5,190.37 and 2,817.13 is: 3,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.25 : 5,190.37 = 2,817.13 : x
  2. Step 2: Convert to fraction form
    3,759.25/5,190.37 = 2,817.13/x
  3. Step 3: Cross multiply
    3,759.25x = 5,190.37 × 2,817.13
  4. Step 4: Simplify right side
    3,759.25x = 14,621,932.79
  5. Step 5: Solve for x
    x = 14,621,932.79/3,759.25
  6. Step 6: Final answer
    x = 3,889.59

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1.5x scale

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.