Home / 2,757.08-3,801.66-2,009.72

Finding the Fourth Proportional to 2,757.08, 3,801.66 and 2,009.72

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Solution

The fourth proportional to 2,757.08, 3,801.66 and 2,009.72 is: 2,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.08 : 3,801.66 = 2,009.72 : x
  2. Step 2: Convert to fraction form
    2,757.08/3,801.66 = 2,009.72/x
  3. Step 3: Cross multiply
    2,757.08x = 3,801.66 × 2,009.72
  4. Step 4: Simplify right side
    2,757.08x = 7,640,272.14
  5. Step 5: Solve for x
    x = 7,640,272.14/2,757.08
  6. Step 6: Final answer
    x = 2,771.15

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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.