Home / 2,198.98-3,034.55-1,314.28

Finding the Fourth Proportional to 2,198.98, 3,034.55 and 1,314.28

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Solution

The fourth proportional to 2,198.98, 3,034.55 and 1,314.28 is: 1,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.98 : 3,034.55 = 1,314.28 : x
  2. Step 2: Convert to fraction form
    2,198.98/3,034.55 = 1,314.28/x
  3. Step 3: Cross multiply
    2,198.98x = 3,034.55 × 1,314.28
  4. Step 4: Simplify right side
    2,198.98x = 3,988,226.63
  5. Step 5: Solve for x
    x = 3,988,226.63/2,198.98
  6. Step 6: Final answer
    x = 1,813.68

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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.