Home / 3,790.79-5,687.81-1,451.49

Finding the Fourth Proportional to 3,790.79, 5,687.81 and 1,451.49

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Solution

The fourth proportional to 3,790.79, 5,687.81 and 1,451.49 is: 2,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.79 : 5,687.81 = 1,451.49 : x
  2. Step 2: Convert to fraction form
    3,790.79/5,687.81 = 1,451.49/x
  3. Step 3: Cross multiply
    3,790.79x = 5,687.81 × 1,451.49
  4. Step 4: Simplify right side
    3,790.79x = 8,255,792.08
  5. Step 5: Solve for x
    x = 8,255,792.08/3,790.79
  6. Step 6: Final answer
    x = 2,177.86

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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.