Home / 3,080.60-4,251.96-1,902.56

Finding the Fourth Proportional to 3,080.60, 4,251.96 and 1,902.56

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Solution

The fourth proportional to 3,080.60, 4,251.96 and 1,902.56 is: 2,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.60 : 4,251.96 = 1,902.56 : x
  2. Step 2: Convert to fraction form
    3,080.60/4,251.96 = 1,902.56/x
  3. Step 3: Cross multiply
    3,080.60x = 4,251.96 × 1,902.56
  4. Step 4: Simplify right side
    3,080.60x = 8,089,609.02
  5. Step 5: Solve for x
    x = 8,089,609.02/3,080.60
  6. Step 6: Final answer
    x = 2,625.98

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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.