Home / 3,322.29-4,579.75-2,731.80

Finding the Fourth Proportional to 3,322.29, 4,579.75 and 2,731.80

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Solution

The fourth proportional to 3,322.29, 4,579.75 and 2,731.80 is: 3,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.29 : 4,579.75 = 2,731.80 : x
  2. Step 2: Convert to fraction form
    3,322.29/4,579.75 = 2,731.80/x
  3. Step 3: Cross multiply
    3,322.29x = 4,579.75 × 2,731.80
  4. Step 4: Simplify right side
    3,322.29x = 12,510,924.49
  5. Step 5: Solve for x
    x = 12,510,924.49/3,322.29
  6. Step 6: Final answer
    x = 3,765.76

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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.