Home / 2,883.87-3,979.78-1,704.94

Finding the Fourth Proportional to 2,883.87, 3,979.78 and 1,704.94

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Solution

The fourth proportional to 2,883.87, 3,979.78 and 1,704.94 is: 2,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.87 : 3,979.78 = 1,704.94 : x
  2. Step 2: Convert to fraction form
    2,883.87/3,979.78 = 1,704.94/x
  3. Step 3: Cross multiply
    2,883.87x = 3,979.78 × 1,704.94
  4. Step 4: Simplify right side
    2,883.87x = 6,785,271.90
  5. Step 5: Solve for x
    x = 6,785,271.90/2,883.87
  6. Step 6: Final answer
    x = 2,352.84

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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.