Home / 3,819.40-5,730.01-1,354.43

Finding the Fourth Proportional to 3,819.40, 5,730.01 and 1,354.43

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Solution

The fourth proportional to 3,819.40, 5,730.01 and 1,354.43 is: 2,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.40 : 5,730.01 = 1,354.43 : x
  2. Step 2: Convert to fraction form
    3,819.40/5,730.01 = 1,354.43/x
  3. Step 3: Cross multiply
    3,819.40x = 5,730.01 × 1,354.43
  4. Step 4: Simplify right side
    3,819.40x = 7,760,897.44
  5. Step 5: Solve for x
    x = 7,760,897.44/3,819.40
  6. Step 6: Final answer
    x = 2,031.97

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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.