Home / 3,890.45-5,832.92-1,941.27

Finding the Fourth Proportional to 3,890.45, 5,832.92 and 1,941.27

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Solution

The fourth proportional to 3,890.45, 5,832.92 and 1,941.27 is: 2,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.45 : 5,832.92 = 1,941.27 : x
  2. Step 2: Convert to fraction form
    3,890.45/5,832.92 = 1,941.27/x
  3. Step 3: Cross multiply
    3,890.45x = 5,832.92 × 1,941.27
  4. Step 4: Simplify right side
    3,890.45x = 11,323,277.46
  5. Step 5: Solve for x
    x = 11,323,277.46/3,890.45
  6. Step 6: Final answer
    x = 2,910.54

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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.