Home / 3,759.96-5,189.04-2,188.14

Finding the Fourth Proportional to 3,759.96, 5,189.04 and 2,188.14

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Solution

The fourth proportional to 3,759.96, 5,189.04 and 2,188.14 is: 3,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.96 : 5,189.04 = 2,188.14 : x
  2. Step 2: Convert to fraction form
    3,759.96/5,189.04 = 2,188.14/x
  3. Step 3: Cross multiply
    3,759.96x = 5,189.04 × 2,188.14
  4. Step 4: Simplify right side
    3,759.96x = 11,354,345.99
  5. Step 5: Solve for x
    x = 11,354,345.99/3,759.96
  6. Step 6: Final answer
    x = 3,019.80

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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.