Home / 3,529.73-4,876.10-2,820.65

Finding the Fourth Proportional to 3,529.73, 4,876.10 and 2,820.65

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Solution

The fourth proportional to 3,529.73, 4,876.10 and 2,820.65 is: 3,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.73 : 4,876.10 = 2,820.65 : x
  2. Step 2: Convert to fraction form
    3,529.73/4,876.10 = 2,820.65/x
  3. Step 3: Cross multiply
    3,529.73x = 4,876.10 × 2,820.65
  4. Step 4: Simplify right side
    3,529.73x = 13,753,743.56
  5. Step 5: Solve for x
    x = 13,753,743.56/3,529.73
  6. Step 6: Final answer
    x = 3,896.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.