Home / 2,408.22-3,612.33-1,381.50

Finding the Fourth Proportional to 2,408.22, 3,612.33 and 1,381.50

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Solution

The fourth proportional to 2,408.22, 3,612.33 and 1,381.50 is: 2,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.22 : 3,612.33 = 1,381.50 : x
  2. Step 2: Convert to fraction form
    2,408.22/3,612.33 = 1,381.50/x
  3. Step 3: Cross multiply
    2,408.22x = 3,612.33 × 1,381.50
  4. Step 4: Simplify right side
    2,408.22x = 4,990,433.90
  5. Step 5: Solve for x
    x = 4,990,433.90/2,408.22
  6. Step 6: Final answer
    x = 2,072.25

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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.