Home / 3,917.74-5,874.68-1,941.09

Finding the Fourth Proportional to 3,917.74, 5,874.68 and 1,941.09

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Solution

The fourth proportional to 3,917.74, 5,874.68 and 1,941.09 is: 2,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.74 : 5,874.68 = 1,941.09 : x
  2. Step 2: Convert to fraction form
    3,917.74/5,874.68 = 1,941.09/x
  3. Step 3: Cross multiply
    3,917.74x = 5,874.68 × 1,941.09
  4. Step 4: Simplify right side
    3,917.74x = 11,403,282.60
  5. Step 5: Solve for x
    x = 11,403,282.60/3,917.74
  6. Step 6: Final answer
    x = 2,910.68

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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.