Home / 1,930.55-2,893.05-1,199.70

Finding the Fourth Proportional to 1,930.55, 2,893.05 and 1,199.70

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Solution

The fourth proportional to 1,930.55, 2,893.05 and 1,199.70 is: 1,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.55 : 2,893.05 = 1,199.70 : x
  2. Step 2: Convert to fraction form
    1,930.55/2,893.05 = 1,199.70/x
  3. Step 3: Cross multiply
    1,930.55x = 2,893.05 × 1,199.70
  4. Step 4: Simplify right side
    1,930.55x = 3,470,792.09
  5. Step 5: Solve for x
    x = 3,470,792.09/1,930.55
  6. Step 6: Final answer
    x = 1,797.83

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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.