Home / 2,725.07-4,087.60-1,081.51

Finding the Fourth Proportional to 2,725.07, 4,087.60 and 1,081.51

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Solution

The fourth proportional to 2,725.07, 4,087.60 and 1,081.51 is: 1,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.07 : 4,087.60 = 1,081.51 : x
  2. Step 2: Convert to fraction form
    2,725.07/4,087.60 = 1,081.51/x
  3. Step 3: Cross multiply
    2,725.07x = 4,087.60 × 1,081.51
  4. Step 4: Simplify right side
    2,725.07x = 4,420,767.35
  5. Step 5: Solve for x
    x = 4,420,767.35/2,725.07
  6. Step 6: Final answer
    x = 1,622.26

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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.