Home / 2,843.10-4,261.86-1,361.90

Finding the Fourth Proportional to 2,843.10, 4,261.86 and 1,361.90

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Solution

The fourth proportional to 2,843.10, 4,261.86 and 1,361.90 is: 2,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.10 : 4,261.86 = 1,361.90 : x
  2. Step 2: Convert to fraction form
    2,843.10/4,261.86 = 1,361.90/x
  3. Step 3: Cross multiply
    2,843.10x = 4,261.86 × 1,361.90
  4. Step 4: Simplify right side
    2,843.10x = 5,804,237.79
  5. Step 5: Solve for x
    x = 5,804,237.79/2,843.10
  6. Step 6: Final answer
    x = 2,041.52

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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.