Home / 2,090.75-2,884.14-1,251.05

Finding the Fourth Proportional to 2,090.75, 2,884.14 and 1,251.05

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Solution

The fourth proportional to 2,090.75, 2,884.14 and 1,251.05 is: 1,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.75 : 2,884.14 = 1,251.05 : x
  2. Step 2: Convert to fraction form
    2,090.75/2,884.14 = 1,251.05/x
  3. Step 3: Cross multiply
    2,090.75x = 2,884.14 × 1,251.05
  4. Step 4: Simplify right side
    2,090.75x = 3,608,188.93
  5. Step 5: Solve for x
    x = 3,608,188.93/2,090.75
  6. Step 6: Final answer
    x = 1,725.79

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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.