Home / 2,229.94-3,077.36-1,235.28

Finding the Fourth Proportional to 2,229.94, 3,077.36 and 1,235.28

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Solution

The fourth proportional to 2,229.94, 3,077.36 and 1,235.28 is: 1,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.94 : 3,077.36 = 1,235.28 : x
  2. Step 2: Convert to fraction form
    2,229.94/3,077.36 = 1,235.28/x
  3. Step 3: Cross multiply
    2,229.94x = 3,077.36 × 1,235.28
  4. Step 4: Simplify right side
    2,229.94x = 3,801,401.26
  5. Step 5: Solve for x
    x = 3,801,401.26/2,229.94
  6. Step 6: Final answer
    x = 1,704.71

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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.