Home / 2,224.09-3,069.21-1,229.35

Finding the Fourth Proportional to 2,224.09, 3,069.21 and 1,229.35

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Solution

The fourth proportional to 2,224.09, 3,069.21 and 1,229.35 is: 1,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.09 : 3,069.21 = 1,229.35 : x
  2. Step 2: Convert to fraction form
    2,224.09/3,069.21 = 1,229.35/x
  3. Step 3: Cross multiply
    2,224.09x = 3,069.21 × 1,229.35
  4. Step 4: Simplify right side
    2,224.09x = 3,773,133.31
  5. Step 5: Solve for x
    x = 3,773,133.31/2,224.09
  6. Step 6: Final answer
    x = 1,696.48

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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.