Home / 3,277.74-4,912.29-1,328.88

Finding the Fourth Proportional to 3,277.74, 4,912.29 and 1,328.88

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Solution

The fourth proportional to 3,277.74, 4,912.29 and 1,328.88 is: 1,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.74 : 4,912.29 = 1,328.88 : x
  2. Step 2: Convert to fraction form
    3,277.74/4,912.29 = 1,328.88/x
  3. Step 3: Cross multiply
    3,277.74x = 4,912.29 × 1,328.88
  4. Step 4: Simplify right side
    3,277.74x = 6,527,843.94
  5. Step 5: Solve for x
    x = 6,527,843.94/3,277.74
  6. Step 6: Final answer
    x = 1,991.57

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1.5x scale

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.