Home / 3,227.60-4,840.21-1,911.65

Finding the Fourth Proportional to 3,227.60, 4,840.21 and 1,911.65

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Solution

The fourth proportional to 3,227.60, 4,840.21 and 1,911.65 is: 2,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.60 : 4,840.21 = 1,911.65 : x
  2. Step 2: Convert to fraction form
    3,227.60/4,840.21 = 1,911.65/x
  3. Step 3: Cross multiply
    3,227.60x = 4,840.21 × 1,911.65
  4. Step 4: Simplify right side
    3,227.60x = 9,252,758.47
  5. Step 5: Solve for x
    x = 9,252,758.47/3,227.60
  6. Step 6: Final answer
    x = 2,866.76

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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.