Home / 3,267.28-4,889.84-1,969.66

Finding the Fourth Proportional to 3,267.28, 4,889.84 and 1,969.66

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Solution

The fourth proportional to 3,267.28, 4,889.84 and 1,969.66 is: 2,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.28 : 4,889.84 = 1,969.66 : x
  2. Step 2: Convert to fraction form
    3,267.28/4,889.84 = 1,969.66/x
  3. Step 3: Cross multiply
    3,267.28x = 4,889.84 × 1,969.66
  4. Step 4: Simplify right side
    3,267.28x = 9,631,322.25
  5. Step 5: Solve for x
    x = 9,631,322.25/3,267.28
  6. Step 6: Final answer
    x = 2,947.81

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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.