Home / 2,198.72-3,280.44-2,034.70

Finding the Fourth Proportional to 2,198.72, 3,280.44 and 2,034.70

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Solution

The fourth proportional to 2,198.72, 3,280.44 and 2,034.70 is: 3,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.72 : 3,280.44 = 2,034.70 : x
  2. Step 2: Convert to fraction form
    2,198.72/3,280.44 = 2,034.70/x
  3. Step 3: Cross multiply
    2,198.72x = 3,280.44 × 2,034.70
  4. Step 4: Simplify right side
    2,198.72x = 6,674,711.27
  5. Step 5: Solve for x
    x = 6,674,711.27/2,198.72
  6. Step 6: Final answer
    x = 3,035.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.