Home / 3,863.46-5,784.66-2,690.58

Finding the Fourth Proportional to 3,863.46, 5,784.66 and 2,690.58

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Solution

The fourth proportional to 3,863.46, 5,784.66 and 2,690.58 is: 4,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.46 : 5,784.66 = 2,690.58 : x
  2. Step 2: Convert to fraction form
    3,863.46/5,784.66 = 2,690.58/x
  3. Step 3: Cross multiply
    3,863.46x = 5,784.66 × 2,690.58
  4. Step 4: Simplify right side
    3,863.46x = 15,564,090.50
  5. Step 5: Solve for x
    x = 15,564,090.50/3,863.46
  6. Step 6: Final answer
    x = 4,028.54

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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.