Home / 2,057.45-3,087.57-1,783.26

Finding the Fourth Proportional to 2,057.45, 3,087.57 and 1,783.26

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Solution

The fourth proportional to 2,057.45, 3,087.57 and 1,783.26 is: 2,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.45 : 3,087.57 = 1,783.26 : x
  2. Step 2: Convert to fraction form
    2,057.45/3,087.57 = 1,783.26/x
  3. Step 3: Cross multiply
    2,057.45x = 3,087.57 × 1,783.26
  4. Step 4: Simplify right side
    2,057.45x = 5,505,940.08
  5. Step 5: Solve for x
    x = 5,505,940.08/2,057.45
  6. Step 6: Final answer
    x = 2,676.11

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1.5x scale

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.