Home / 3,819.02-5,729.45-1,354.06

Finding the Fourth Proportional to 3,819.02, 5,729.45 and 1,354.06

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Solution

The fourth proportional to 3,819.02, 5,729.45 and 1,354.06 is: 2,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.02 : 5,729.45 = 1,354.06 : x
  2. Step 2: Convert to fraction form
    3,819.02/5,729.45 = 1,354.06/x
  3. Step 3: Cross multiply
    3,819.02x = 5,729.45 × 1,354.06
  4. Step 4: Simplify right side
    3,819.02x = 7,757,997.97
  5. Step 5: Solve for x
    x = 7,757,997.97/3,819.02
  6. Step 6: Final answer
    x = 2,031.41

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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.