Home / 3,823.88-5,736.74-1,191.32

Finding the Fourth Proportional to 3,823.88, 5,736.74 and 1,191.32

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Solution

The fourth proportional to 3,823.88, 5,736.74 and 1,191.32 is: 1,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.88 : 5,736.74 = 1,191.32 : x
  2. Step 2: Convert to fraction form
    3,823.88/5,736.74 = 1,191.32/x
  3. Step 3: Cross multiply
    3,823.88x = 5,736.74 × 1,191.32
  4. Step 4: Simplify right side
    3,823.88x = 6,834,293.10
  5. Step 5: Solve for x
    x = 6,834,293.10/3,823.88
  6. Step 6: Final answer
    x = 1,787.27

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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.