Home / 3,558.09-5,334.05-1,912.71

Finding the Fourth Proportional to 3,558.09, 5,334.05 and 1,912.71

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Solution

The fourth proportional to 3,558.09, 5,334.05 and 1,912.71 is: 2,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.09 : 5,334.05 = 1,912.71 : x
  2. Step 2: Convert to fraction form
    3,558.09/5,334.05 = 1,912.71/x
  3. Step 3: Cross multiply
    3,558.09x = 5,334.05 × 1,912.71
  4. Step 4: Simplify right side
    3,558.09x = 10,202,515.56
  5. Step 5: Solve for x
    x = 10,202,515.56/3,558.09
  6. Step 6: Final answer
    x = 2,867.41

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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.