Home / 3,222.92-4,835.40-1,274.06

Finding the Fourth Proportional to 3,222.92, 4,835.40 and 1,274.06

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Solution

The fourth proportional to 3,222.92, 4,835.40 and 1,274.06 is: 1,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.92 : 4,835.40 = 1,274.06 : x
  2. Step 2: Convert to fraction form
    3,222.92/4,835.40 = 1,274.06/x
  3. Step 3: Cross multiply
    3,222.92x = 4,835.40 × 1,274.06
  4. Step 4: Simplify right side
    3,222.92x = 6,160,589.72
  5. Step 5: Solve for x
    x = 6,160,589.72/3,222.92
  6. Step 6: Final answer
    x = 1,911.49

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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.