Home / 2,883.68-4,326.96-2,190.12

Finding the Fourth Proportional to 2,883.68, 4,326.96 and 2,190.12

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Solution

The fourth proportional to 2,883.68, 4,326.96 and 2,190.12 is: 3,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.68 : 4,326.96 = 2,190.12 : x
  2. Step 2: Convert to fraction form
    2,883.68/4,326.96 = 2,190.12/x
  3. Step 3: Cross multiply
    2,883.68x = 4,326.96 × 2,190.12
  4. Step 4: Simplify right side
    2,883.68x = 9,476,561.64
  5. Step 5: Solve for x
    x = 9,476,561.64/2,883.68
  6. Step 6: Final answer
    x = 3,286.27

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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.