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Finding the Fourth Proportional to 2,793.14, 4,190.64 and 1,494.32

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Solution

The fourth proportional to 2,793.14, 4,190.64 and 1,494.32 is: 2,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.14 : 4,190.64 = 1,494.32 : x
  2. Step 2: Convert to fraction form
    2,793.14/4,190.64 = 1,494.32/x
  3. Step 3: Cross multiply
    2,793.14x = 4,190.64 × 1,494.32
  4. Step 4: Simplify right side
    2,793.14x = 6,262,157.16
  5. Step 5: Solve for x
    x = 6,262,157.16/2,793.14
  6. Step 6: Final answer
    x = 2,241.98

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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.