Home / 4,268.98-6,404.74-2,190.45

Finding the Fourth Proportional to 4,268.98, 6,404.74 and 2,190.45

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Solution

The fourth proportional to 4,268.98, 6,404.74 and 2,190.45 is: 3,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.98 : 6,404.74 = 2,190.45 : x
  2. Step 2: Convert to fraction form
    4,268.98/6,404.74 = 2,190.45/x
  3. Step 3: Cross multiply
    4,268.98x = 6,404.74 × 2,190.45
  4. Step 4: Simplify right side
    4,268.98x = 14,029,262.73
  5. Step 5: Solve for x
    x = 14,029,262.73/4,268.98
  6. Step 6: Final answer
    x = 3,286.33

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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.