Home / 2,930.83-4,396.25-1,199.45

Finding the Fourth Proportional to 2,930.83, 4,396.25 and 1,199.45

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Solution

The fourth proportional to 2,930.83, 4,396.25 and 1,199.45 is: 1,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.83 : 4,396.25 = 1,199.45 : x
  2. Step 2: Convert to fraction form
    2,930.83/4,396.25 = 1,199.45/x
  3. Step 3: Cross multiply
    2,930.83x = 4,396.25 × 1,199.45
  4. Step 4: Simplify right side
    2,930.83x = 5,273,096.05
  5. Step 5: Solve for x
    x = 5,273,096.05/2,930.83
  6. Step 6: Final answer
    x = 1,799.18

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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.