Home / 3,819.70-5,271.09-2,247.89

Finding the Fourth Proportional to 3,819.70, 5,271.09 and 2,247.89

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Solution

The fourth proportional to 3,819.70, 5,271.09 and 2,247.89 is: 3,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.70 : 5,271.09 = 2,247.89 : x
  2. Step 2: Convert to fraction form
    3,819.70/5,271.09 = 2,247.89/x
  3. Step 3: Cross multiply
    3,819.70x = 5,271.09 × 2,247.89
  4. Step 4: Simplify right side
    3,819.70x = 11,848,830.50
  5. Step 5: Solve for x
    x = 11,848,830.50/3,819.70
  6. Step 6: Final answer
    x = 3,102.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.