Home / 2,745.01-3,784.75-2,080.69

Finding the Fourth Proportional to 2,745.01, 3,784.75 and 2,080.69

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Solution

The fourth proportional to 2,745.01, 3,784.75 and 2,080.69 is: 2,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.01 : 3,784.75 = 2,080.69 : x
  2. Step 2: Convert to fraction form
    2,745.01/3,784.75 = 2,080.69/x
  3. Step 3: Cross multiply
    2,745.01x = 3,784.75 × 2,080.69
  4. Step 4: Simplify right side
    2,745.01x = 7,874,891.48
  5. Step 5: Solve for x
    x = 7,874,891.48/2,745.01
  6. Step 6: Final answer
    x = 2,868.80

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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.