Home / 3,217.03-4,439.44-1,819.78

Finding the Fourth Proportional to 3,217.03, 4,439.44 and 1,819.78

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Solution

The fourth proportional to 3,217.03, 4,439.44 and 1,819.78 is: 2,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.03 : 4,439.44 = 1,819.78 : x
  2. Step 2: Convert to fraction form
    3,217.03/4,439.44 = 1,819.78/x
  3. Step 3: Cross multiply
    3,217.03x = 4,439.44 × 1,819.78
  4. Step 4: Simplify right side
    3,217.03x = 8,078,804.12
  5. Step 5: Solve for x
    x = 8,078,804.12/3,217.03
  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.