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Finding the Fourth Proportional to 2,998.44, 4,495.82 and 1,438.92

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Solution

The fourth proportional to 2,998.44, 4,495.82 and 1,438.92 is: 2,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.44 : 4,495.82 = 1,438.92 : x
  2. Step 2: Convert to fraction form
    2,998.44/4,495.82 = 1,438.92/x
  3. Step 3: Cross multiply
    2,998.44x = 4,495.82 × 1,438.92
  4. Step 4: Simplify right side
    2,998.44x = 6,469,125.31
  5. Step 5: Solve for x
    x = 6,469,125.31/2,998.44
  6. Step 6: Final answer
    x = 2,157.50

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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.