Home / 1,902.21-2,850.84-1,376.89

Finding the Fourth Proportional to 1,902.21, 2,850.84 and 1,376.89

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Solution

The fourth proportional to 1,902.21, 2,850.84 and 1,376.89 is: 2,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.21 : 2,850.84 = 1,376.89 : x
  2. Step 2: Convert to fraction form
    1,902.21/2,850.84 = 1,376.89/x
  3. Step 3: Cross multiply
    1,902.21x = 2,850.84 × 1,376.89
  4. Step 4: Simplify right side
    1,902.21x = 3,925,285.65
  5. Step 5: Solve for x
    x = 3,925,285.65/1,902.21
  6. Step 6: Final answer
    x = 2,063.54

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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.