Home / 3,072.77-4,237.07-2,076.32

Finding the Fourth Proportional to 3,072.77, 4,237.07 and 2,076.32

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Solution

The fourth proportional to 3,072.77, 4,237.07 and 2,076.32 is: 2,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.77 : 4,237.07 = 2,076.32 : x
  2. Step 2: Convert to fraction form
    3,072.77/4,237.07 = 2,076.32/x
  3. Step 3: Cross multiply
    3,072.77x = 4,237.07 × 2,076.32
  4. Step 4: Simplify right side
    3,072.77x = 8,797,481.62
  5. Step 5: Solve for x
    x = 8,797,481.62/3,072.77
  6. Step 6: Final answer
    x = 2,863.05

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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.