Home / 2,846.43-3,912.21-2,512.85

Finding the Fourth Proportional to 2,846.43, 3,912.21 and 2,512.85

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Solution

The fourth proportional to 2,846.43, 3,912.21 and 2,512.85 is: 3,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.43 : 3,912.21 = 2,512.85 : x
  2. Step 2: Convert to fraction form
    2,846.43/3,912.21 = 2,512.85/x
  3. Step 3: Cross multiply
    2,846.43x = 3,912.21 × 2,512.85
  4. Step 4: Simplify right side
    2,846.43x = 9,830,777.34
  5. Step 5: Solve for x
    x = 9,830,777.34/2,846.43
  6. Step 6: Final answer
    x = 3,453.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.