Home / 3,284.52-4,912.38-2,858.28

Finding the Fourth Proportional to 3,284.52, 4,912.38 and 2,858.28

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Solution

The fourth proportional to 3,284.52, 4,912.38 and 2,858.28 is: 4,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.52 : 4,912.38 = 2,858.28 : x
  2. Step 2: Convert to fraction form
    3,284.52/4,912.38 = 2,858.28/x
  3. Step 3: Cross multiply
    3,284.52x = 4,912.38 × 2,858.28
  4. Step 4: Simplify right side
    3,284.52x = 14,040,957.51
  5. Step 5: Solve for x
    x = 14,040,957.51/3,284.52
  6. Step 6: Final answer
    x = 4,274.89

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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.