Home / 3,681.75-5,080.82-2,025.75

Finding the Fourth Proportional to 3,681.75, 5,080.82 and 2,025.75

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Solution

The fourth proportional to 3,681.75, 5,080.82 and 2,025.75 is: 2,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.75 : 5,080.82 = 2,025.75 : x
  2. Step 2: Convert to fraction form
    3,681.75/5,080.82 = 2,025.75/x
  3. Step 3: Cross multiply
    3,681.75x = 5,080.82 × 2,025.75
  4. Step 4: Simplify right side
    3,681.75x = 10,292,460.99
  5. Step 5: Solve for x
    x = 10,292,460.99/3,681.75
  6. Step 6: Final answer
    x = 2,795.54

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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.