Home / 3,863.12-5,791.44-1,554.08

Finding the Fourth Proportional to 3,863.12, 5,791.44 and 1,554.08

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Solution

The fourth proportional to 3,863.12, 5,791.44 and 1,554.08 is: 2,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.12 : 5,791.44 = 1,554.08 : x
  2. Step 2: Convert to fraction form
    3,863.12/5,791.44 = 1,554.08/x
  3. Step 3: Cross multiply
    3,863.12x = 5,791.44 × 1,554.08
  4. Step 4: Simplify right side
    3,863.12x = 9,000,361.08
  5. Step 5: Solve for x
    x = 9,000,361.08/3,863.12
  6. Step 6: Final answer
    x = 2,329.82

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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.