Home / 2,224.35-3,069.59-1,229.70

Finding the Fourth Proportional to 2,224.35, 3,069.59 and 1,229.70

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Solution

The fourth proportional to 2,224.35, 3,069.59 and 1,229.70 is: 1,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.35 : 3,069.59 = 1,229.70 : x
  2. Step 2: Convert to fraction form
    2,224.35/3,069.59 = 1,229.70/x
  3. Step 3: Cross multiply
    2,224.35x = 3,069.59 × 1,229.70
  4. Step 4: Simplify right side
    2,224.35x = 3,774,668.67
  5. Step 5: Solve for x
    x = 3,774,668.67/2,224.35
  6. Step 6: Final answer
    x = 1,696.98

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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.