Home / 3,220.35-4,830.59-1,371.79

Finding the Fourth Proportional to 3,220.35, 4,830.59 and 1,371.79

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Solution

The fourth proportional to 3,220.35, 4,830.59 and 1,371.79 is: 2,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.35 : 4,830.59 = 1,371.79 : x
  2. Step 2: Convert to fraction form
    3,220.35/4,830.59 = 1,371.79/x
  3. Step 3: Cross multiply
    3,220.35x = 4,830.59 × 1,371.79
  4. Step 4: Simplify right side
    3,220.35x = 6,626,555.06
  5. Step 5: Solve for x
    x = 6,626,555.06/3,220.35
  6. Step 6: Final answer
    x = 2,057.71

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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.