Home / 2,884.30-4,324.12-2,653.65

Finding the Fourth Proportional to 2,884.30, 4,324.12 and 2,653.65

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Solution

The fourth proportional to 2,884.30, 4,324.12 and 2,653.65 is: 3,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.30 : 4,324.12 = 2,653.65 : x
  2. Step 2: Convert to fraction form
    2,884.30/4,324.12 = 2,653.65/x
  3. Step 3: Cross multiply
    2,884.30x = 4,324.12 × 2,653.65
  4. Step 4: Simplify right side
    2,884.30x = 11,474,694.40
  5. Step 5: Solve for x
    x = 11,474,694.40/2,884.30
  6. Step 6: Final answer
    x = 3,978.33

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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.