Home / 2,212.46-3,049.47-1,512.62

Finding the Fourth Proportional to 2,212.46, 3,049.47 and 1,512.62

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Solution

The fourth proportional to 2,212.46, 3,049.47 and 1,512.62 is: 2,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.46 : 3,049.47 = 1,512.62 : x
  2. Step 2: Convert to fraction form
    2,212.46/3,049.47 = 1,512.62/x
  3. Step 3: Cross multiply
    2,212.46x = 3,049.47 × 1,512.62
  4. Step 4: Simplify right side
    2,212.46x = 4,612,689.31
  5. Step 5: Solve for x
    x = 4,612,689.31/2,212.46
  6. Step 6: Final answer
    x = 2,084.87

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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.