Home / 3,382.21-4,662.12-2,385.91

Finding the Fourth Proportional to 3,382.21, 4,662.12 and 2,385.91

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Solution

The fourth proportional to 3,382.21, 4,662.12 and 2,385.91 is: 3,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.21 : 4,662.12 = 2,385.91 : x
  2. Step 2: Convert to fraction form
    3,382.21/4,662.12 = 2,385.91/x
  3. Step 3: Cross multiply
    3,382.21x = 4,662.12 × 2,385.91
  4. Step 4: Simplify right side
    3,382.21x = 11,123,398.73
  5. Step 5: Solve for x
    x = 11,123,398.73/3,382.21
  6. Step 6: Final answer
    x = 3,288.80

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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.