Home / 3,072.96-4,241.16-1,814.15

Finding the Fourth Proportional to 3,072.96, 4,241.16 and 1,814.15

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Solution

The fourth proportional to 3,072.96, 4,241.16 and 1,814.15 is: 2,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.96 : 4,241.16 = 1,814.15 : x
  2. Step 2: Convert to fraction form
    3,072.96/4,241.16 = 1,814.15/x
  3. Step 3: Cross multiply
    3,072.96x = 4,241.16 × 1,814.15
  4. Step 4: Simplify right side
    3,072.96x = 7,694,100.41
  5. Step 5: Solve for x
    x = 7,694,100.41/3,072.96
  6. Step 6: Final answer
    x = 2,503.81

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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.