Home / 2,251.78-3,087.59-2,029.84

Finding the Fourth Proportional to 2,251.78, 3,087.59 and 2,029.84

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Solution

The fourth proportional to 2,251.78, 3,087.59 and 2,029.84 is: 2,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.78 : 3,087.59 = 2,029.84 : x
  2. Step 2: Convert to fraction form
    2,251.78/3,087.59 = 2,029.84/x
  3. Step 3: Cross multiply
    2,251.78x = 3,087.59 × 2,029.84
  4. Step 4: Simplify right side
    2,251.78x = 6,267,313.69
  5. Step 5: Solve for x
    x = 6,267,313.69/2,251.78
  6. Step 6: Final answer
    x = 2,783.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.