Home / 3,076.96-4,244.86-2,081.88

Finding the Fourth Proportional to 3,076.96, 4,244.86 and 2,081.88

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Solution

The fourth proportional to 3,076.96, 4,244.86 and 2,081.88 is: 2,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.96 : 4,244.86 = 2,081.88 : x
  2. Step 2: Convert to fraction form
    3,076.96/4,244.86 = 2,081.88/x
  3. Step 3: Cross multiply
    3,076.96x = 4,244.86 × 2,081.88
  4. Step 4: Simplify right side
    3,076.96x = 8,837,289.14
  5. Step 5: Solve for x
    x = 8,837,289.14/3,076.96
  6. Step 6: Final answer
    x = 2,872.08

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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.