Home / 2,013.90-3,021.12-627.33

Finding the Fourth Proportional to 2,013.90, 3,021.12 and 627.33

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Solution

The fourth proportional to 2,013.90, 3,021.12 and 627.33 is: 941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.90 : 3,021.12 = 627.33 : x
  2. Step 2: Convert to fraction form
    2,013.90/3,021.12 = 627.33/x
  3. Step 3: Cross multiply
    2,013.90x = 3,021.12 × 627.33
  4. Step 4: Simplify right side
    2,013.90x = 1,895,239.21
  5. Step 5: Solve for x
    x = 1,895,239.21/2,013.90
  6. Step 6: Final answer
    x = 941.08

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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.