Home / 3,285.82-4,929.18-1,205.56

Finding the Fourth Proportional to 3,285.82, 4,929.18 and 1,205.56

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Solution

The fourth proportional to 3,285.82, 4,929.18 and 1,205.56 is: 1,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.82 : 4,929.18 = 1,205.56 : x
  2. Step 2: Convert to fraction form
    3,285.82/4,929.18 = 1,205.56/x
  3. Step 3: Cross multiply
    3,285.82x = 4,929.18 × 1,205.56
  4. Step 4: Simplify right side
    3,285.82x = 5,942,422.24
  5. Step 5: Solve for x
    x = 5,942,422.24/3,285.82
  6. Step 6: Final answer
    x = 1,808.51

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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.