Home / 3,274.80-4,912.40-1,629.69

Finding the Fourth Proportional to 3,274.80, 4,912.40 and 1,629.69

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Solution

The fourth proportional to 3,274.80, 4,912.40 and 1,629.69 is: 2,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.80 : 4,912.40 = 1,629.69 : x
  2. Step 2: Convert to fraction form
    3,274.80/4,912.40 = 1,629.69/x
  3. Step 3: Cross multiply
    3,274.80x = 4,912.40 × 1,629.69
  4. Step 4: Simplify right side
    3,274.80x = 8,005,656.45
  5. Step 5: Solve for x
    x = 8,005,656.45/3,274.80
  6. Step 6: Final answer
    x = 2,444.63

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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.