Home / 3,188.22-4,776.09-2,089.25

Finding the Fourth Proportional to 3,188.22, 4,776.09 and 2,089.25

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Solution

The fourth proportional to 3,188.22, 4,776.09 and 2,089.25 is: 3,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.22 : 4,776.09 = 2,089.25 : x
  2. Step 2: Convert to fraction form
    3,188.22/4,776.09 = 2,089.25/x
  3. Step 3: Cross multiply
    3,188.22x = 4,776.09 × 2,089.25
  4. Step 4: Simplify right side
    3,188.22x = 9,978,446.03
  5. Step 5: Solve for x
    x = 9,978,446.03/3,188.22
  6. Step 6: Final answer
    x = 3,129.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.