Home / 2,408.25-3,319.41-2,199.14

Finding the Fourth Proportional to 2,408.25, 3,319.41 and 2,199.14

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Solution

The fourth proportional to 2,408.25, 3,319.41 and 2,199.14 is: 3,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.25 : 3,319.41 = 2,199.14 : x
  2. Step 2: Convert to fraction form
    2,408.25/3,319.41 = 2,199.14/x
  3. Step 3: Cross multiply
    2,408.25x = 3,319.41 × 2,199.14
  4. Step 4: Simplify right side
    2,408.25x = 7,299,847.31
  5. Step 5: Solve for x
    x = 7,299,847.31/2,408.25
  6. Step 6: Final answer
    x = 3,031.18

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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.