Home / 3,236.32-4,853.20-1,288.48

Finding the Fourth Proportional to 3,236.32, 4,853.20 and 1,288.48

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Solution

The fourth proportional to 3,236.32, 4,853.20 and 1,288.48 is: 1,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.32 : 4,853.20 = 1,288.48 : x
  2. Step 2: Convert to fraction form
    3,236.32/4,853.20 = 1,288.48/x
  3. Step 3: Cross multiply
    3,236.32x = 4,853.20 × 1,288.48
  4. Step 4: Simplify right side
    3,236.32x = 6,253,251.14
  5. Step 5: Solve for x
    x = 6,253,251.14/3,236.32
  6. Step 6: Final answer
    x = 1,932.21

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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.