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Finding the Fourth Proportional to 2,930.33, 4,394.16 and 1,819.70

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Solution

The fourth proportional to 2,930.33, 4,394.16 and 1,819.70 is: 2,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.33 : 4,394.16 = 1,819.70 : x
  2. Step 2: Convert to fraction form
    2,930.33/4,394.16 = 1,819.70/x
  3. Step 3: Cross multiply
    2,930.33x = 4,394.16 × 1,819.70
  4. Step 4: Simplify right side
    2,930.33x = 7,996,030.98
  5. Step 5: Solve for x
    x = 7,996,030.98/2,930.33
  6. Step 6: Final answer
    x = 2,728.72

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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.