Home / 3,039.22-4,189.08-2,408.59

Finding the Fourth Proportional to 3,039.22, 4,189.08 and 2,408.59

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Solution

The fourth proportional to 3,039.22, 4,189.08 and 2,408.59 is: 3,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.22 : 4,189.08 = 2,408.59 : x
  2. Step 2: Convert to fraction form
    3,039.22/4,189.08 = 2,408.59/x
  3. Step 3: Cross multiply
    3,039.22x = 4,189.08 × 2,408.59
  4. Step 4: Simplify right side
    3,039.22x = 10,089,776.20
  5. Step 5: Solve for x
    x = 10,089,776.20/3,039.22
  6. Step 6: Final answer
    x = 3,319.86

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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.