Home / 2,198.08-3,033.68-1,314.40

Finding the Fourth Proportional to 2,198.08, 3,033.68 and 1,314.40

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Solution

The fourth proportional to 2,198.08, 3,033.68 and 1,314.40 is: 1,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.08 : 3,033.68 = 1,314.40 : x
  2. Step 2: Convert to fraction form
    2,198.08/3,033.68 = 1,314.40/x
  3. Step 3: Cross multiply
    2,198.08x = 3,033.68 × 1,314.40
  4. Step 4: Simplify right side
    2,198.08x = 3,987,468.99
  5. Step 5: Solve for x
    x = 3,987,468.99/2,198.08
  6. Step 6: Final answer
    x = 1,814.07

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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.