Home / 2,757.19-3,804.74-1,638.23

Finding the Fourth Proportional to 2,757.19, 3,804.74 and 1,638.23

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Solution

The fourth proportional to 2,757.19, 3,804.74 and 1,638.23 is: 2,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.19 : 3,804.74 = 1,638.23 : x
  2. Step 2: Convert to fraction form
    2,757.19/3,804.74 = 1,638.23/x
  3. Step 3: Cross multiply
    2,757.19x = 3,804.74 × 1,638.23
  4. Step 4: Simplify right side
    2,757.19x = 6,233,018.14
  5. Step 5: Solve for x
    x = 6,233,018.14/2,757.19
  6. Step 6: Final answer
    x = 2,260.64

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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.