Home / 3,236.68-4,467.24-1,977.92

Finding the Fourth Proportional to 3,236.68, 4,467.24 and 1,977.92

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Solution

The fourth proportional to 3,236.68, 4,467.24 and 1,977.92 is: 2,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.68 : 4,467.24 = 1,977.92 : x
  2. Step 2: Convert to fraction form
    3,236.68/4,467.24 = 1,977.92/x
  3. Step 3: Cross multiply
    3,236.68x = 4,467.24 × 1,977.92
  4. Step 4: Simplify right side
    3,236.68x = 8,835,843.34
  5. Step 5: Solve for x
    x = 8,835,843.34/3,236.68
  6. Step 6: Final answer
    x = 2,729.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.