Home / 2,883.99-3,979.68-1,704.84

Finding the Fourth Proportional to 2,883.99, 3,979.68 and 1,704.84

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Solution

The fourth proportional to 2,883.99, 3,979.68 and 1,704.84 is: 2,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.99 : 3,979.68 = 1,704.84 : x
  2. Step 2: Convert to fraction form
    2,883.99/3,979.68 = 1,704.84/x
  3. Step 3: Cross multiply
    2,883.99x = 3,979.68 × 1,704.84
  4. Step 4: Simplify right side
    2,883.99x = 6,784,717.65
  5. Step 5: Solve for x
    x = 6,784,717.65/2,883.99
  6. Step 6: Final answer
    x = 2,352.55

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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.