Home / 3,231.29-4,844.21-1,913.63

Finding the Fourth Proportional to 3,231.29, 4,844.21 and 1,913.63

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Solution

The fourth proportional to 3,231.29, 4,844.21 and 1,913.63 is: 2,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.29 : 4,844.21 = 1,913.63 : x
  2. Step 2: Convert to fraction form
    3,231.29/4,844.21 = 1,913.63/x
  3. Step 3: Cross multiply
    3,231.29x = 4,844.21 × 1,913.63
  4. Step 4: Simplify right side
    3,231.29x = 9,269,991.79
  5. Step 5: Solve for x
    x = 9,269,991.79/3,231.29
  6. Step 6: Final answer
    x = 2,868.82

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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.