Home / 3,220.28-4,443.96-1,823

Finding the Fourth Proportional to 3,220.28, 4,443.96 and 1,823

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Solution

The fourth proportional to 3,220.28, 4,443.96 and 1,823 is: 2,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.28 : 4,443.96 = 1,823 : x
  2. Step 2: Convert to fraction form
    3,220.28/4,443.96 = 1,823/x
  3. Step 3: Cross multiply
    3,220.28x = 4,443.96 × 1,823
  4. Step 4: Simplify right side
    3,220.28x = 8,101,339.08
  5. Step 5: Solve for x
    x = 8,101,339.08/3,220.28
  6. Step 6: Final answer
    x = 2,515.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.