Home / 3,074.16-4,240.80-1,893.36

Finding the Fourth Proportional to 3,074.16, 4,240.80 and 1,893.36

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Solution

The fourth proportional to 3,074.16, 4,240.80 and 1,893.36 is: 2,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.16 : 4,240.80 = 1,893.36 : x
  2. Step 2: Convert to fraction form
    3,074.16/4,240.80 = 1,893.36/x
  3. Step 3: Cross multiply
    3,074.16x = 4,240.80 × 1,893.36
  4. Step 4: Simplify right side
    3,074.16x = 8,029,361.09
  5. Step 5: Solve for x
    x = 8,029,361.09/3,074.16
  6. Step 6: Final answer
    x = 2,611.89

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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.