Home / 2,828.73-4,240.80-2,134.02

Finding the Fourth Proportional to 2,828.73, 4,240.80 and 2,134.02

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Solution

The fourth proportional to 2,828.73, 4,240.80 and 2,134.02 is: 3,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.73 : 4,240.80 = 2,134.02 : x
  2. Step 2: Convert to fraction form
    2,828.73/4,240.80 = 2,134.02/x
  3. Step 3: Cross multiply
    2,828.73x = 4,240.80 × 2,134.02
  4. Step 4: Simplify right side
    2,828.73x = 9,049,952.02
  5. Step 5: Solve for x
    x = 9,049,952.02/2,828.73
  6. Step 6: Final answer
    x = 3,199.30

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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.