Home / 3,144.96-4,340.58-1,819.47

Finding the Fourth Proportional to 3,144.96, 4,340.58 and 1,819.47

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Solution

The fourth proportional to 3,144.96, 4,340.58 and 1,819.47 is: 2,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.96 : 4,340.58 = 1,819.47 : x
  2. Step 2: Convert to fraction form
    3,144.96/4,340.58 = 1,819.47/x
  3. Step 3: Cross multiply
    3,144.96x = 4,340.58 × 1,819.47
  4. Step 4: Simplify right side
    3,144.96x = 7,897,555.09
  5. Step 5: Solve for x
    x = 7,897,555.09/3,144.96
  6. Step 6: Final answer
    x = 2,511.18

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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.