Home / 3,627.88-5,438.38-1,437.96

Finding the Fourth Proportional to 3,627.88, 5,438.38 and 1,437.96

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Solution

The fourth proportional to 3,627.88, 5,438.38 and 1,437.96 is: 2,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.88 : 5,438.38 = 1,437.96 : x
  2. Step 2: Convert to fraction form
    3,627.88/5,438.38 = 1,437.96/x
  3. Step 3: Cross multiply
    3,627.88x = 5,438.38 × 1,437.96
  4. Step 4: Simplify right side
    3,627.88x = 7,820,172.90
  5. Step 5: Solve for x
    x = 7,820,172.90/3,627.88
  6. Step 6: Final answer
    x = 2,155.58

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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.