Home / 3,704.78-5,110.60-2,288.78

Finding the Fourth Proportional to 3,704.78, 5,110.60 and 2,288.78

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Solution

The fourth proportional to 3,704.78, 5,110.60 and 2,288.78 is: 3,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.78 : 5,110.60 = 2,288.78 : x
  2. Step 2: Convert to fraction form
    3,704.78/5,110.60 = 2,288.78/x
  3. Step 3: Cross multiply
    3,704.78x = 5,110.60 × 2,288.78
  4. Step 4: Simplify right side
    3,704.78x = 11,697,007.79
  5. Step 5: Solve for x
    x = 11,697,007.79/3,704.78
  6. Step 6: Final answer
    x = 3,157.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.