Home / 3,788.98-5,683.72-1,192.02

Finding the Fourth Proportional to 3,788.98, 5,683.72 and 1,192.02

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Solution

The fourth proportional to 3,788.98, 5,683.72 and 1,192.02 is: 1,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.98 : 5,683.72 = 1,192.02 : x
  2. Step 2: Convert to fraction form
    3,788.98/5,683.72 = 1,192.02/x
  3. Step 3: Cross multiply
    3,788.98x = 5,683.72 × 1,192.02
  4. Step 4: Simplify right side
    3,788.98x = 6,775,107.91
  5. Step 5: Solve for x
    x = 6,775,107.91/3,788.98
  6. Step 6: Final answer
    x = 1,788.11

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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.