Home / 3,819.03-5,723.02-2,172.07

Finding the Fourth Proportional to 3,819.03, 5,723.02 and 2,172.07

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Solution

The fourth proportional to 3,819.03, 5,723.02 and 2,172.07 is: 3,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.03 : 5,723.02 = 2,172.07 : x
  2. Step 2: Convert to fraction form
    3,819.03/5,723.02 = 2,172.07/x
  3. Step 3: Cross multiply
    3,819.03x = 5,723.02 × 2,172.07
  4. Step 4: Simplify right side
    3,819.03x = 12,430,800.05
  5. Step 5: Solve for x
    x = 12,430,800.05/3,819.03
  6. Step 6: Final answer
    x = 3,254.96

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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.