Home / 3,788.23-5,687.64-1,940.62

Finding the Fourth Proportional to 3,788.23, 5,687.64 and 1,940.62

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Solution

The fourth proportional to 3,788.23, 5,687.64 and 1,940.62 is: 2,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.23 : 5,687.64 = 1,940.62 : x
  2. Step 2: Convert to fraction form
    3,788.23/5,687.64 = 1,940.62/x
  3. Step 3: Cross multiply
    3,788.23x = 5,687.64 × 1,940.62
  4. Step 4: Simplify right side
    3,788.23x = 11,037,547.94
  5. Step 5: Solve for x
    x = 11,037,547.94/3,788.23
  6. Step 6: Final answer
    x = 2,913.64

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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.