Home / 3,274.58-4,912.68-1,426.03

Finding the Fourth Proportional to 3,274.58, 4,912.68 and 1,426.03

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Solution

The fourth proportional to 3,274.58, 4,912.68 and 1,426.03 is: 2,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.58 : 4,912.68 = 1,426.03 : x
  2. Step 2: Convert to fraction form
    3,274.58/4,912.68 = 1,426.03/x
  3. Step 3: Cross multiply
    3,274.58x = 4,912.68 × 1,426.03
  4. Step 4: Simplify right side
    3,274.58x = 7,005,629.06
  5. Step 5: Solve for x
    x = 7,005,629.06/3,274.58
  6. Step 6: Final answer
    x = 2,139.40

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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.