Home / 3,819.17-5,730.21-1,969.10

Finding the Fourth Proportional to 3,819.17, 5,730.21 and 1,969.10

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Solution

The fourth proportional to 3,819.17, 5,730.21 and 1,969.10 is: 2,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.17 : 5,730.21 = 1,969.10 : x
  2. Step 2: Convert to fraction form
    3,819.17/5,730.21 = 1,969.10/x
  3. Step 3: Cross multiply
    3,819.17x = 5,730.21 × 1,969.10
  4. Step 4: Simplify right side
    3,819.17x = 11,283,381.58
  5. Step 5: Solve for x
    x = 11,283,381.58/3,819.17
  6. Step 6: Final answer
    x = 2,954.41

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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.