Home / 2,198.53-3,297.80-2,070.14

Finding the Fourth Proportional to 2,198.53, 3,297.80 and 2,070.14

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Solution

The fourth proportional to 2,198.53, 3,297.80 and 2,070.14 is: 3,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.53 : 3,297.80 = 2,070.14 : x
  2. Step 2: Convert to fraction form
    2,198.53/3,297.80 = 2,070.14/x
  3. Step 3: Cross multiply
    2,198.53x = 3,297.80 × 2,070.14
  4. Step 4: Simplify right side
    2,198.53x = 6,826,880.85
  5. Step 5: Solve for x
    x = 6,826,880.85/2,198.53
  6. Step 6: Final answer
    x = 3,105.21

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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.