Home / 3,080.88-4,251.60-1,683.54

Finding the Fourth Proportional to 3,080.88, 4,251.60 and 1,683.54

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Solution

The fourth proportional to 3,080.88, 4,251.60 and 1,683.54 is: 2,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.88 : 4,251.60 = 1,683.54 : x
  2. Step 2: Convert to fraction form
    3,080.88/4,251.60 = 1,683.54/x
  3. Step 3: Cross multiply
    3,080.88x = 4,251.60 × 1,683.54
  4. Step 4: Simplify right side
    3,080.88x = 7,157,738.66
  5. Step 5: Solve for x
    x = 7,157,738.66/3,080.88
  6. Step 6: Final answer
    x = 2,323.28

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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.