Home / 2,696.28-4,043.70-1,236.12

Finding the Fourth Proportional to 2,696.28, 4,043.70 and 1,236.12

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Solution

The fourth proportional to 2,696.28, 4,043.70 and 1,236.12 is: 1,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.28 : 4,043.70 = 1,236.12 : x
  2. Step 2: Convert to fraction form
    2,696.28/4,043.70 = 1,236.12/x
  3. Step 3: Cross multiply
    2,696.28x = 4,043.70 × 1,236.12
  4. Step 4: Simplify right side
    2,696.28x = 4,998,498.44
  5. Step 5: Solve for x
    x = 4,998,498.44/2,696.28
  6. Step 6: Final answer
    x = 1,853.85

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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.