Home / 4,102.25-6,154.38-1,912.41

Finding the Fourth Proportional to 4,102.25, 6,154.38 and 1,912.41

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Solution

The fourth proportional to 4,102.25, 6,154.38 and 1,912.41 is: 2,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.25 : 6,154.38 = 1,912.41 : x
  2. Step 2: Convert to fraction form
    4,102.25/6,154.38 = 1,912.41/x
  3. Step 3: Cross multiply
    4,102.25x = 6,154.38 × 1,912.41
  4. Step 4: Simplify right side
    4,102.25x = 11,769,697.86
  5. Step 5: Solve for x
    x = 11,769,697.86/4,102.25
  6. Step 6: Final answer
    x = 2,869.09

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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.