Home / 2,725.29-4,087.53-1,081.26

Finding the Fourth Proportional to 2,725.29, 4,087.53 and 1,081.26

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Solution

The fourth proportional to 2,725.29, 4,087.53 and 1,081.26 is: 1,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.29 : 4,087.53 = 1,081.26 : x
  2. Step 2: Convert to fraction form
    2,725.29/4,087.53 = 1,081.26/x
  3. Step 3: Cross multiply
    2,725.29x = 4,087.53 × 1,081.26
  4. Step 4: Simplify right side
    2,725.29x = 4,419,682.69
  5. Step 5: Solve for x
    x = 4,419,682.69/2,725.29
  6. Step 6: Final answer
    x = 1,621.73

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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.