Home / 1,922.43-2,885.05-1,230.79

Finding the Fourth Proportional to 1,922.43, 2,885.05 and 1,230.79

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Solution

The fourth proportional to 1,922.43, 2,885.05 and 1,230.79 is: 1,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.43 : 2,885.05 = 1,230.79 : x
  2. Step 2: Convert to fraction form
    1,922.43/2,885.05 = 1,230.79/x
  3. Step 3: Cross multiply
    1,922.43x = 2,885.05 × 1,230.79
  4. Step 4: Simplify right side
    1,922.43x = 3,550,884.54
  5. Step 5: Solve for x
    x = 3,550,884.54/1,922.43
  6. Step 6: Final answer
    x = 1,847.08

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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.