Home / 3,282.36-4,529.48-1,865.85

Finding the Fourth Proportional to 3,282.36, 4,529.48 and 1,865.85

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Solution

The fourth proportional to 3,282.36, 4,529.48 and 1,865.85 is: 2,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.36 : 4,529.48 = 1,865.85 : x
  2. Step 2: Convert to fraction form
    3,282.36/4,529.48 = 1,865.85/x
  3. Step 3: Cross multiply
    3,282.36x = 4,529.48 × 1,865.85
  4. Step 4: Simplify right side
    3,282.36x = 8,451,346.25
  5. Step 5: Solve for x
    x = 8,451,346.25/3,282.36
  6. Step 6: Final answer
    x = 2,574.78

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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.