Home / 3,072.64-4,236.89-2,076.19

Finding the Fourth Proportional to 3,072.64, 4,236.89 and 2,076.19

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Solution

The fourth proportional to 3,072.64, 4,236.89 and 2,076.19 is: 2,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.64 : 4,236.89 = 2,076.19 : x
  2. Step 2: Convert to fraction form
    3,072.64/4,236.89 = 2,076.19/x
  3. Step 3: Cross multiply
    3,072.64x = 4,236.89 × 2,076.19
  4. Step 4: Simplify right side
    3,072.64x = 8,796,583.25
  5. Step 5: Solve for x
    x = 8,796,583.25/3,072.64
  6. Step 6: Final answer
    x = 2,862.88

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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.