Home / 2,861.22-4,289.79-1,104.73

Finding the Fourth Proportional to 2,861.22, 4,289.79 and 1,104.73

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Solution

The fourth proportional to 2,861.22, 4,289.79 and 1,104.73 is: 1,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.22 : 4,289.79 = 1,104.73 : x
  2. Step 2: Convert to fraction form
    2,861.22/4,289.79 = 1,104.73/x
  3. Step 3: Cross multiply
    2,861.22x = 4,289.79 × 1,104.73
  4. Step 4: Simplify right side
    2,861.22x = 4,739,059.71
  5. Step 5: Solve for x
    x = 4,739,059.71/2,861.22
  6. Step 6: Final answer
    x = 1,656.31

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1.5x scale

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.