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Finding the Fourth Proportional to 1,819.32, 2,725.53 and 996.49

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Solution

The fourth proportional to 1,819.32, 2,725.53 and 996.49 is: 1,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.32 : 2,725.53 = 996.49 : x
  2. Step 2: Convert to fraction form
    1,819.32/2,725.53 = 996.49/x
  3. Step 3: Cross multiply
    1,819.32x = 2,725.53 × 996.49
  4. Step 4: Simplify right side
    1,819.32x = 2,715,963.39
  5. Step 5: Solve for x
    x = 2,715,963.39/1,819.32
  6. Step 6: Final answer
    x = 1,492.85

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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.