Home / 2,917.22-4,023.90-1,961.73

Finding the Fourth Proportional to 2,917.22, 4,023.90 and 1,961.73

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Solution

The fourth proportional to 2,917.22, 4,023.90 and 1,961.73 is: 2,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.22 : 4,023.90 = 1,961.73 : x
  2. Step 2: Convert to fraction form
    2,917.22/4,023.90 = 1,961.73/x
  3. Step 3: Cross multiply
    2,917.22x = 4,023.90 × 1,961.73
  4. Step 4: Simplify right side
    2,917.22x = 7,893,805.35
  5. Step 5: Solve for x
    x = 7,893,805.35/2,917.22
  6. Step 6: Final answer
    x = 2,705.93

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1.5x scale

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.