Home / 2,821.86-4,232.79-1,361.16

Finding the Fourth Proportional to 2,821.86, 4,232.79 and 1,361.16

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Solution

The fourth proportional to 2,821.86, 4,232.79 and 1,361.16 is: 2,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.86 : 4,232.79 = 1,361.16 : x
  2. Step 2: Convert to fraction form
    2,821.86/4,232.79 = 1,361.16/x
  3. Step 3: Cross multiply
    2,821.86x = 4,232.79 × 1,361.16
  4. Step 4: Simplify right side
    2,821.86x = 5,761,504.44
  5. Step 5: Solve for x
    x = 5,761,504.44/2,821.86
  6. Step 6: Final answer
    x = 2,041.74

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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.