Home / 1,954.44-2,929.61-1,214.06

Finding the Fourth Proportional to 1,954.44, 2,929.61 and 1,214.06

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Solution

The fourth proportional to 1,954.44, 2,929.61 and 1,214.06 is: 1,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.44 : 2,929.61 = 1,214.06 : x
  2. Step 2: Convert to fraction form
    1,954.44/2,929.61 = 1,214.06/x
  3. Step 3: Cross multiply
    1,954.44x = 2,929.61 × 1,214.06
  4. Step 4: Simplify right side
    1,954.44x = 3,556,701.60
  5. Step 5: Solve for x
    x = 3,556,701.60/1,954.44
  6. Step 6: Final answer
    x = 1,819.81

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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.