Home / 3,157.54-4,738.26-2,145.44

Finding the Fourth Proportional to 3,157.54, 4,738.26 and 2,145.44

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Solution

The fourth proportional to 3,157.54, 4,738.26 and 2,145.44 is: 3,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.54 : 4,738.26 = 2,145.44 : x
  2. Step 2: Convert to fraction form
    3,157.54/4,738.26 = 2,145.44/x
  3. Step 3: Cross multiply
    3,157.54x = 4,738.26 × 2,145.44
  4. Step 4: Simplify right side
    3,157.54x = 10,165,652.53
  5. Step 5: Solve for x
    x = 10,165,652.53/3,157.54
  6. Step 6: Final answer
    x = 3,219.48

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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.