Home / 3,890.44-5,836.30-1,837.32

Finding the Fourth Proportional to 3,890.44, 5,836.30 and 1,837.32

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Solution

The fourth proportional to 3,890.44, 5,836.30 and 1,837.32 is: 2,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.44 : 5,836.30 = 1,837.32 : x
  2. Step 2: Convert to fraction form
    3,890.44/5,836.30 = 1,837.32/x
  3. Step 3: Cross multiply
    3,890.44x = 5,836.30 × 1,837.32
  4. Step 4: Simplify right side
    3,890.44x = 10,723,150.72
  5. Step 5: Solve for x
    x = 10,723,150.72/3,890.44
  6. Step 6: Final answer
    x = 2,756.28

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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.