Home / 3,401.32-5,101.16-2,166.88

Finding the Fourth Proportional to 3,401.32, 5,101.16 and 2,166.88

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Solution

The fourth proportional to 3,401.32, 5,101.16 and 2,166.88 is: 3,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.32 : 5,101.16 = 2,166.88 : x
  2. Step 2: Convert to fraction form
    3,401.32/5,101.16 = 2,166.88/x
  3. Step 3: Cross multiply
    3,401.32x = 5,101.16 × 2,166.88
  4. Step 4: Simplify right side
    3,401.32x = 11,053,601.58
  5. Step 5: Solve for x
    x = 11,053,601.58/3,401.32
  6. Step 6: Final answer
    x = 3,249.80

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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.