Home / 3,387.88-5,077.50-1,633.96

Finding the Fourth Proportional to 3,387.88, 5,077.50 and 1,633.96

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Solution

The fourth proportional to 3,387.88, 5,077.50 and 1,633.96 is: 2,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.88 : 5,077.50 = 1,633.96 : x
  2. Step 2: Convert to fraction form
    3,387.88/5,077.50 = 1,633.96/x
  3. Step 3: Cross multiply
    3,387.88x = 5,077.50 × 1,633.96
  4. Step 4: Simplify right side
    3,387.88x = 8,296,431.90
  5. Step 5: Solve for x
    x = 8,296,431.90/3,387.88
  6. Step 6: Final answer
    x = 2,448.86

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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.