Home / 3,232.72-4,455.84-2,288.80

Finding the Fourth Proportional to 3,232.72, 4,455.84 and 2,288.80

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Solution

The fourth proportional to 3,232.72, 4,455.84 and 2,288.80 is: 3,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.72 : 4,455.84 = 2,288.80 : x
  2. Step 2: Convert to fraction form
    3,232.72/4,455.84 = 2,288.80/x
  3. Step 3: Cross multiply
    3,232.72x = 4,455.84 × 2,288.80
  4. Step 4: Simplify right side
    3,232.72x = 10,198,526.59
  5. Step 5: Solve for x
    x = 10,198,526.59/3,232.72
  6. Step 6: Final answer
    x = 3,154.78

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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.