Home / 2,181.44-3,274.32-1,401.68

Finding the Fourth Proportional to 2,181.44, 3,274.32 and 1,401.68

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Solution

The fourth proportional to 2,181.44, 3,274.32 and 1,401.68 is: 2,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.44 : 3,274.32 = 1,401.68 : x
  2. Step 2: Convert to fraction form
    2,181.44/3,274.32 = 1,401.68/x
  3. Step 3: Cross multiply
    2,181.44x = 3,274.32 × 1,401.68
  4. Step 4: Simplify right side
    2,181.44x = 4,589,548.86
  5. Step 5: Solve for x
    x = 4,589,548.86/2,181.44
  6. Step 6: Final answer
    x = 2,103.91

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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.