Home / 2,013.58-3,020.80-626.89

Finding the Fourth Proportional to 2,013.58, 3,020.80 and 626.89

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Solution

The fourth proportional to 2,013.58, 3,020.80 and 626.89 is: 940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.58 : 3,020.80 = 626.89 : x
  2. Step 2: Convert to fraction form
    2,013.58/3,020.80 = 626.89/x
  3. Step 3: Cross multiply
    2,013.58x = 3,020.80 × 626.89
  4. Step 4: Simplify right side
    2,013.58x = 1,893,709.31
  5. Step 5: Solve for x
    x = 1,893,709.31/2,013.58
  6. Step 6: Final answer
    x = 940.47

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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.