Home / 2,361.20-3,251.86-2,310.20

Finding the Fourth Proportional to 2,361.20, 3,251.86 and 2,310.20

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Solution

The fourth proportional to 2,361.20, 3,251.86 and 2,310.20 is: 3,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.20 : 3,251.86 = 2,310.20 : x
  2. Step 2: Convert to fraction form
    2,361.20/3,251.86 = 2,310.20/x
  3. Step 3: Cross multiply
    2,361.20x = 3,251.86 × 2,310.20
  4. Step 4: Simplify right side
    2,361.20x = 7,512,446.97
  5. Step 5: Solve for x
    x = 7,512,446.97/2,361.20
  6. Step 6: Final answer
    x = 3,181.62

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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.