Home / 2,198.40-3,299.76-1,673.52

Finding the Fourth Proportional to 2,198.40, 3,299.76 and 1,673.52

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Solution

The fourth proportional to 2,198.40, 3,299.76 and 1,673.52 is: 2,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.40 : 3,299.76 = 1,673.52 : x
  2. Step 2: Convert to fraction form
    2,198.40/3,299.76 = 1,673.52/x
  3. Step 3: Cross multiply
    2,198.40x = 3,299.76 × 1,673.52
  4. Step 4: Simplify right side
    2,198.40x = 5,522,214.36
  5. Step 5: Solve for x
    x = 5,522,214.36/2,198.40
  6. Step 6: Final answer
    x = 2,511.92

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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.