Home / 3,994.32-5,512.92-2,401.08

Finding the Fourth Proportional to 3,994.32, 5,512.92 and 2,401.08

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Solution

The fourth proportional to 3,994.32, 5,512.92 and 2,401.08 is: 3,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.32 : 5,512.92 = 2,401.08 : x
  2. Step 2: Convert to fraction form
    3,994.32/5,512.92 = 2,401.08/x
  3. Step 3: Cross multiply
    3,994.32x = 5,512.92 × 2,401.08
  4. Step 4: Simplify right side
    3,994.32x = 13,236,961.95
  5. Step 5: Solve for x
    x = 13,236,961.95/3,994.32
  6. Step 6: Final answer
    x = 3,313.95

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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.