Home / 2,144.10-3,217.58-828.93

Finding the Fourth Proportional to 2,144.10, 3,217.58 and 828.93

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Solution

The fourth proportional to 2,144.10, 3,217.58 and 828.93 is: 1,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.10 : 3,217.58 = 828.93 : x
  2. Step 2: Convert to fraction form
    2,144.10/3,217.58 = 828.93/x
  3. Step 3: Cross multiply
    2,144.10x = 3,217.58 × 828.93
  4. Step 4: Simplify right side
    2,144.10x = 2,667,144.44
  5. Step 5: Solve for x
    x = 2,667,144.44/2,144.10
  6. Step 6: Final answer
    x = 1,243.95

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1.5x scale

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.