Home / 2,230.44-3,078.18-1,299.08

Finding the Fourth Proportional to 2,230.44, 3,078.18 and 1,299.08

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Solution

The fourth proportional to 2,230.44, 3,078.18 and 1,299.08 is: 1,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.44 : 3,078.18 = 1,299.08 : x
  2. Step 2: Convert to fraction form
    2,230.44/3,078.18 = 1,299.08/x
  3. Step 3: Cross multiply
    2,230.44x = 3,078.18 × 1,299.08
  4. Step 4: Simplify right side
    2,230.44x = 3,998,802.07
  5. Step 5: Solve for x
    x = 3,998,802.07/2,230.44
  6. Step 6: Final answer
    x = 1,792.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.