Home / 1,910.09-2,863.30-1,214.60

Finding the Fourth Proportional to 1,910.09, 2,863.30 and 1,214.60

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Solution

The fourth proportional to 1,910.09, 2,863.30 and 1,214.60 is: 1,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.09 : 2,863.30 = 1,214.60 : x
  2. Step 2: Convert to fraction form
    1,910.09/2,863.30 = 1,214.60/x
  3. Step 3: Cross multiply
    1,910.09x = 2,863.30 × 1,214.60
  4. Step 4: Simplify right side
    1,910.09x = 3,477,764.18
  5. Step 5: Solve for x
    x = 3,477,764.18/1,910.09
  6. Step 6: Final answer
    x = 1,820.73

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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.