Home / 3,759.67-5,188.88-2,188.27

Finding the Fourth Proportional to 3,759.67, 5,188.88 and 2,188.27

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Solution

The fourth proportional to 3,759.67, 5,188.88 and 2,188.27 is: 3,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.67 : 5,188.88 = 2,188.27 : x
  2. Step 2: Convert to fraction form
    3,759.67/5,188.88 = 2,188.27/x
  3. Step 3: Cross multiply
    3,759.67x = 5,188.88 × 2,188.27
  4. Step 4: Simplify right side
    3,759.67x = 11,354,659.50
  5. Step 5: Solve for x
    x = 11,354,659.50/3,759.67
  6. Step 6: Final answer
    x = 3,020.12

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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.