Home / 2,815.46-4,219.94-1,514.19

Finding the Fourth Proportional to 2,815.46, 4,219.94 and 1,514.19

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Solution

The fourth proportional to 2,815.46, 4,219.94 and 1,514.19 is: 2,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.46 : 4,219.94 = 1,514.19 : x
  2. Step 2: Convert to fraction form
    2,815.46/4,219.94 = 1,514.19/x
  3. Step 3: Cross multiply
    2,815.46x = 4,219.94 × 1,514.19
  4. Step 4: Simplify right side
    2,815.46x = 6,389,790.95
  5. Step 5: Solve for x
    x = 6,389,790.95/2,815.46
  6. Step 6: Final answer
    x = 2,269.54

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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.