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Finding the Fourth Proportional to 3,863.46, 5,794.02 and 1,265.79

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Solution

The fourth proportional to 3,863.46, 5,794.02 and 1,265.79 is: 1,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.46 : 5,794.02 = 1,265.79 : x
  2. Step 2: Convert to fraction form
    3,863.46/5,794.02 = 1,265.79/x
  3. Step 3: Cross multiply
    3,863.46x = 5,794.02 × 1,265.79
  4. Step 4: Simplify right side
    3,863.46x = 7,334,012.58
  5. Step 5: Solve for x
    x = 7,334,012.58/3,863.46
  6. Step 6: Final answer
    x = 1,898.30

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1.5x scale

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.