Home / 2,767.43-3,819.08-1,648.42

Finding the Fourth Proportional to 2,767.43, 3,819.08 and 1,648.42

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Solution

The fourth proportional to 2,767.43, 3,819.08 and 1,648.42 is: 2,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.43 : 3,819.08 = 1,648.42 : x
  2. Step 2: Convert to fraction form
    2,767.43/3,819.08 = 1,648.42/x
  3. Step 3: Cross multiply
    2,767.43x = 3,819.08 × 1,648.42
  4. Step 4: Simplify right side
    2,767.43x = 6,295,442.43
  5. Step 5: Solve for x
    x = 6,295,442.43/2,767.43
  6. Step 6: Final answer
    x = 2,274.83

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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.