Home / 2,882.12-3,977.71-1,623.43

Finding the Fourth Proportional to 2,882.12, 3,977.71 and 1,623.43

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Solution

The fourth proportional to 2,882.12, 3,977.71 and 1,623.43 is: 2,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.12 : 3,977.71 = 1,623.43 : x
  2. Step 2: Convert to fraction form
    2,882.12/3,977.71 = 1,623.43/x
  3. Step 3: Cross multiply
    2,882.12x = 3,977.71 × 1,623.43
  4. Step 4: Simplify right side
    2,882.12x = 6,457,509.80
  5. Step 5: Solve for x
    x = 6,457,509.80/2,882.12
  6. Step 6: Final answer
    x = 2,240.54

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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.