Home / 2,076.64-3,114.96-1,836.07

Finding the Fourth Proportional to 2,076.64, 3,114.96 and 1,836.07

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Solution

The fourth proportional to 2,076.64, 3,114.96 and 1,836.07 is: 2,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.64 : 3,114.96 = 1,836.07 : x
  2. Step 2: Convert to fraction form
    2,076.64/3,114.96 = 1,836.07/x
  3. Step 3: Cross multiply
    2,076.64x = 3,114.96 × 1,836.07
  4. Step 4: Simplify right side
    2,076.64x = 5,719,269.93
  5. Step 5: Solve for x
    x = 5,719,269.93/2,076.64
  6. Step 6: Final answer
    x = 2,754.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.