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Finding the Fourth Proportional to 2,013.93, 3,021.12 and 627.03

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Solution

The fourth proportional to 2,013.93, 3,021.12 and 627.03 is: 940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.93 : 3,021.12 = 627.03 : x
  2. Step 2: Convert to fraction form
    2,013.93/3,021.12 = 627.03/x
  3. Step 3: Cross multiply
    2,013.93x = 3,021.12 × 627.03
  4. Step 4: Simplify right side
    2,013.93x = 1,894,332.87
  5. Step 5: Solve for x
    x = 1,894,332.87/2,013.93
  6. Step 6: Final answer
    x = 940.62

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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.