Home / 2,224.14-3,069.55-1,279.97

Finding the Fourth Proportional to 2,224.14, 3,069.55 and 1,279.97

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Solution

The fourth proportional to 2,224.14, 3,069.55 and 1,279.97 is: 1,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.14 : 3,069.55 = 1,279.97 : x
  2. Step 2: Convert to fraction form
    2,224.14/3,069.55 = 1,279.97/x
  3. Step 3: Cross multiply
    2,224.14x = 3,069.55 × 1,279.97
  4. Step 4: Simplify right side
    2,224.14x = 3,928,931.91
  5. Step 5: Solve for x
    x = 3,928,931.91/2,224.14
  6. Step 6: Final answer
    x = 1,766.49

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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.