Home / 3,361.43-5,042.15-1,512.20

Finding the Fourth Proportional to 3,361.43, 5,042.15 and 1,512.20

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Solution

The fourth proportional to 3,361.43, 5,042.15 and 1,512.20 is: 2,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.43 : 5,042.15 = 1,512.20 : x
  2. Step 2: Convert to fraction form
    3,361.43/5,042.15 = 1,512.20/x
  3. Step 3: Cross multiply
    3,361.43x = 5,042.15 × 1,512.20
  4. Step 4: Simplify right side
    3,361.43x = 7,624,749.95
  5. Step 5: Solve for x
    x = 7,624,749.95/3,361.43
  6. Step 6: Final answer
    x = 2,268.30

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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.