Home / 2,198.10-3,033.54-1,314.39

Finding the Fourth Proportional to 2,198.10, 3,033.54 and 1,314.39

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Solution

The fourth proportional to 2,198.10, 3,033.54 and 1,314.39 is: 1,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.10 : 3,033.54 = 1,314.39 : x
  2. Step 2: Convert to fraction form
    2,198.10/3,033.54 = 1,314.39/x
  3. Step 3: Cross multiply
    2,198.10x = 3,033.54 × 1,314.39
  4. Step 4: Simplify right side
    2,198.10x = 3,987,254.64
  5. Step 5: Solve for x
    x = 3,987,254.64/2,198.10
  6. Step 6: Final answer
    x = 1,813.96

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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.