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Finding the Fourth Proportional to 3,326.82, 4,977.54 and 2,005.71

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Solution

The fourth proportional to 3,326.82, 4,977.54 and 2,005.71 is: 3,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.82 : 4,977.54 = 2,005.71 : x
  2. Step 2: Convert to fraction form
    3,326.82/4,977.54 = 2,005.71/x
  3. Step 3: Cross multiply
    3,326.82x = 4,977.54 × 2,005.71
  4. Step 4: Simplify right side
    3,326.82x = 9,983,501.75
  5. Step 5: Solve for x
    x = 9,983,501.75/3,326.82
  6. Step 6: Final answer
    x = 3,000.91

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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.