Home / 2,380.15-3,284.99-1,819.54

Finding the Fourth Proportional to 2,380.15, 3,284.99 and 1,819.54

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Solution

The fourth proportional to 2,380.15, 3,284.99 and 1,819.54 is: 2,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.15 : 3,284.99 = 1,819.54 : x
  2. Step 2: Convert to fraction form
    2,380.15/3,284.99 = 1,819.54/x
  3. Step 3: Cross multiply
    2,380.15x = 3,284.99 × 1,819.54
  4. Step 4: Simplify right side
    2,380.15x = 5,977,170.70
  5. Step 5: Solve for x
    x = 5,977,170.70/2,380.15
  6. Step 6: Final answer
    x = 2,511.26

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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.