Home / 3,285.24-4,930.67-1,805.79

Finding the Fourth Proportional to 3,285.24, 4,930.67 and 1,805.79

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Solution

The fourth proportional to 3,285.24, 4,930.67 and 1,805.79 is: 2,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.24 : 4,930.67 = 1,805.79 : x
  2. Step 2: Convert to fraction form
    3,285.24/4,930.67 = 1,805.79/x
  3. Step 3: Cross multiply
    3,285.24x = 4,930.67 × 1,805.79
  4. Step 4: Simplify right side
    3,285.24x = 8,903,754.58
  5. Step 5: Solve for x
    x = 8,903,754.58/3,285.24
  6. Step 6: Final answer
    x = 2,710.23

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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.