Home / 3,684.88-5,085.07-2,091.54

Finding the Fourth Proportional to 3,684.88, 5,085.07 and 2,091.54

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Solution

The fourth proportional to 3,684.88, 5,085.07 and 2,091.54 is: 2,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.88 : 5,085.07 = 2,091.54 : x
  2. Step 2: Convert to fraction form
    3,684.88/5,085.07 = 2,091.54/x
  3. Step 3: Cross multiply
    3,684.88x = 5,085.07 × 2,091.54
  4. Step 4: Simplify right side
    3,684.88x = 10,635,622.08
  5. Step 5: Solve for x
    x = 10,635,622.08/3,684.88
  6. Step 6: Final answer
    x = 2,886.29

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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.