Home / 3,228.11-4,840.96-1,912.15

Finding the Fourth Proportional to 3,228.11, 4,840.96 and 1,912.15

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Solution

The fourth proportional to 3,228.11, 4,840.96 and 1,912.15 is: 2,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.11 : 4,840.96 = 1,912.15 : x
  2. Step 2: Convert to fraction form
    3,228.11/4,840.96 = 1,912.15/x
  3. Step 3: Cross multiply
    3,228.11x = 4,840.96 × 1,912.15
  4. Step 4: Simplify right side
    3,228.11x = 9,256,607.90
  5. Step 5: Solve for x
    x = 9,256,607.90/3,228.11
  6. Step 6: Final answer
    x = 2,867.51

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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.