Home / 3,782.21-5,673.72-1,008.96

Finding the Fourth Proportional to 3,782.21, 5,673.72 and 1,008.96

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Solution

The fourth proportional to 3,782.21, 5,673.72 and 1,008.96 is: 1,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.21 : 5,673.72 = 1,008.96 : x
  2. Step 2: Convert to fraction form
    3,782.21/5,673.72 = 1,008.96/x
  3. Step 3: Cross multiply
    3,782.21x = 5,673.72 × 1,008.96
  4. Step 4: Simplify right side
    3,782.21x = 5,724,556.53
  5. Step 5: Solve for x
    x = 5,724,556.53/3,782.21
  6. Step 6: Final answer
    x = 1,513.55

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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.