Home / 3,746.44-5,620.62-1,438.12

Finding the Fourth Proportional to 3,746.44, 5,620.62 and 1,438.12

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Solution

The fourth proportional to 3,746.44, 5,620.62 and 1,438.12 is: 2,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.44 : 5,620.62 = 1,438.12 : x
  2. Step 2: Convert to fraction form
    3,746.44/5,620.62 = 1,438.12/x
  3. Step 3: Cross multiply
    3,746.44x = 5,620.62 × 1,438.12
  4. Step 4: Simplify right side
    3,746.44x = 8,083,126.03
  5. Step 5: Solve for x
    x = 8,083,126.03/3,746.44
  6. Step 6: Final answer
    x = 2,157.55

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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.