Home / 2,013.69-3,020.25-626.70

Finding the Fourth Proportional to 2,013.69, 3,020.25 and 626.70

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Solution

The fourth proportional to 2,013.69, 3,020.25 and 626.70 is: 939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.69 : 3,020.25 = 626.70 : x
  2. Step 2: Convert to fraction form
    2,013.69/3,020.25 = 626.70/x
  3. Step 3: Cross multiply
    2,013.69x = 3,020.25 × 626.70
  4. Step 4: Simplify right side
    2,013.69x = 1,892,790.68
  5. Step 5: Solve for x
    x = 1,892,790.68/2,013.69
  6. Step 6: Final answer
    x = 939.96

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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.