Home / 2,021.63-2,791.06-1,324.22

Finding the Fourth Proportional to 2,021.63, 2,791.06 and 1,324.22

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Solution

The fourth proportional to 2,021.63, 2,791.06 and 1,324.22 is: 1,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.63 : 2,791.06 = 1,324.22 : x
  2. Step 2: Convert to fraction form
    2,021.63/2,791.06 = 1,324.22/x
  3. Step 3: Cross multiply
    2,021.63x = 2,791.06 × 1,324.22
  4. Step 4: Simplify right side
    2,021.63x = 3,695,960.21
  5. Step 5: Solve for x
    x = 3,695,960.21/2,021.63
  6. Step 6: Final answer
    x = 1,828.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.