Home / 3,634.28-5,453.58-1,903.88

Finding the Fourth Proportional to 3,634.28, 5,453.58 and 1,903.88

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Solution

The fourth proportional to 3,634.28, 5,453.58 and 1,903.88 is: 2,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.28 : 5,453.58 = 1,903.88 : x
  2. Step 2: Convert to fraction form
    3,634.28/5,453.58 = 1,903.88/x
  3. Step 3: Cross multiply
    3,634.28x = 5,453.58 × 1,903.88
  4. Step 4: Simplify right side
    3,634.28x = 10,382,961.89
  5. Step 5: Solve for x
    x = 10,382,961.89/3,634.28
  6. Step 6: Final answer
    x = 2,856.95

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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.