Home / 3,265.11-4,891.50-1,620.77

Finding the Fourth Proportional to 3,265.11, 4,891.50 and 1,620.77

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Solution

The fourth proportional to 3,265.11, 4,891.50 and 1,620.77 is: 2,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.11 : 4,891.50 = 1,620.77 : x
  2. Step 2: Convert to fraction form
    3,265.11/4,891.50 = 1,620.77/x
  3. Step 3: Cross multiply
    3,265.11x = 4,891.50 × 1,620.77
  4. Step 4: Simplify right side
    3,265.11x = 7,927,972.00
  5. Step 5: Solve for x
    x = 7,927,972.00/3,265.11
  6. Step 6: Final answer
    x = 2,428.09

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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.