Home / 3,760.43-5,629.70-2,790.86

Finding the Fourth Proportional to 3,760.43, 5,629.70 and 2,790.86

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Solution

The fourth proportional to 3,760.43, 5,629.70 and 2,790.86 is: 4,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.43 : 5,629.70 = 2,790.86 : x
  2. Step 2: Convert to fraction form
    3,760.43/5,629.70 = 2,790.86/x
  3. Step 3: Cross multiply
    3,760.43x = 5,629.70 × 2,790.86
  4. Step 4: Simplify right side
    3,760.43x = 15,711,683.37
  5. Step 5: Solve for x
    x = 15,711,683.37/3,760.43
  6. Step 6: Final answer
    x = 4,178.17

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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.