Home / 2,229.42-3,076.46-1,234.63

Finding the Fourth Proportional to 2,229.42, 3,076.46 and 1,234.63

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Solution

The fourth proportional to 2,229.42, 3,076.46 and 1,234.63 is: 1,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.42 : 3,076.46 = 1,234.63 : x
  2. Step 2: Convert to fraction form
    2,229.42/3,076.46 = 1,234.63/x
  3. Step 3: Cross multiply
    2,229.42x = 3,076.46 × 1,234.63
  4. Step 4: Simplify right side
    2,229.42x = 3,798,289.81
  5. Step 5: Solve for x
    x = 3,798,289.81/2,229.42
  6. Step 6: Final answer
    x = 1,703.71

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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.