Home / 3,236.73-4,855.40-1,288.47

Finding the Fourth Proportional to 3,236.73, 4,855.40 and 1,288.47

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Solution

The fourth proportional to 3,236.73, 4,855.40 and 1,288.47 is: 1,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.73 : 4,855.40 = 1,288.47 : x
  2. Step 2: Convert to fraction form
    3,236.73/4,855.40 = 1,288.47/x
  3. Step 3: Cross multiply
    3,236.73x = 4,855.40 × 1,288.47
  4. Step 4: Simplify right side
    3,236.73x = 6,256,037.24
  5. Step 5: Solve for x
    x = 6,256,037.24/3,236.73
  6. Step 6: Final answer
    x = 1,932.83

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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.