Home / 3,777.26-5,663.99-1,311.41

Finding the Fourth Proportional to 3,777.26, 5,663.99 and 1,311.41

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Solution

The fourth proportional to 3,777.26, 5,663.99 and 1,311.41 is: 1,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.26 : 5,663.99 = 1,311.41 : x
  2. Step 2: Convert to fraction form
    3,777.26/5,663.99 = 1,311.41/x
  3. Step 3: Cross multiply
    3,777.26x = 5,663.99 × 1,311.41
  4. Step 4: Simplify right side
    3,777.26x = 7,427,830.56
  5. Step 5: Solve for x
    x = 7,427,830.56/3,777.26
  6. Step 6: Final answer
    x = 1,966.46

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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.