Home / 4,081.94-6,122.67-1,890.55

Finding the Fourth Proportional to 4,081.94, 6,122.67 and 1,890.55

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Solution

The fourth proportional to 4,081.94, 6,122.67 and 1,890.55 is: 2,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.94 : 6,122.67 = 1,890.55 : x
  2. Step 2: Convert to fraction form
    4,081.94/6,122.67 = 1,890.55/x
  3. Step 3: Cross multiply
    4,081.94x = 6,122.67 × 1,890.55
  4. Step 4: Simplify right side
    4,081.94x = 11,575,213.77
  5. Step 5: Solve for x
    x = 11,575,213.77/4,081.94
  6. Step 6: Final answer
    x = 2,835.71

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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.