Home / 2,247.28-3,383.05-2,021.23

Finding the Fourth Proportional to 2,247.28, 3,383.05 and 2,021.23

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Solution

The fourth proportional to 2,247.28, 3,383.05 and 2,021.23 is: 3,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.28 : 3,383.05 = 2,021.23 : x
  2. Step 2: Convert to fraction form
    2,247.28/3,383.05 = 2,021.23/x
  3. Step 3: Cross multiply
    2,247.28x = 3,383.05 × 2,021.23
  4. Step 4: Simplify right side
    2,247.28x = 6,837,895.13
  5. Step 5: Solve for x
    x = 6,837,895.13/2,247.28
  6. Step 6: Final answer
    x = 3,042.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.