Home / 2,677.09-4,015.38-827.71

Finding the Fourth Proportional to 2,677.09, 4,015.38 and 827.71

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Solution

The fourth proportional to 2,677.09, 4,015.38 and 827.71 is: 1,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.09 : 4,015.38 = 827.71 : x
  2. Step 2: Convert to fraction form
    2,677.09/4,015.38 = 827.71/x
  3. Step 3: Cross multiply
    2,677.09x = 4,015.38 × 827.71
  4. Step 4: Simplify right side
    2,677.09x = 3,323,570.18
  5. Step 5: Solve for x
    x = 3,323,570.18/2,677.09
  6. Step 6: Final answer
    x = 1,241.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.