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Finding the Fourth Proportional to 3,704.72, 5,107.64 and 2,854.92

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Solution

The fourth proportional to 3,704.72, 5,107.64 and 2,854.92 is: 3,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.72 : 5,107.64 = 2,854.92 : x
  2. Step 2: Convert to fraction form
    3,704.72/5,107.64 = 2,854.92/x
  3. Step 3: Cross multiply
    3,704.72x = 5,107.64 × 2,854.92
  4. Step 4: Simplify right side
    3,704.72x = 14,581,903.59
  5. Step 5: Solve for x
    x = 14,581,903.59/3,704.72
  6. Step 6: Final answer
    x = 3,936.03

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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.