Home / 2,861.08-4,291.38-1,942.54

Finding the Fourth Proportional to 2,861.08, 4,291.38 and 1,942.54

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Solution

The fourth proportional to 2,861.08, 4,291.38 and 1,942.54 is: 2,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.08 : 4,291.38 = 1,942.54 : x
  2. Step 2: Convert to fraction form
    2,861.08/4,291.38 = 1,942.54/x
  3. Step 3: Cross multiply
    2,861.08x = 4,291.38 × 1,942.54
  4. Step 4: Simplify right side
    2,861.08x = 8,336,177.31
  5. Step 5: Solve for x
    x = 8,336,177.31/2,861.08
  6. Step 6: Final answer
    x = 2,913.65

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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.