Home / 3,147.05-4,720.62-1,367.71

Finding the Fourth Proportional to 3,147.05, 4,720.62 and 1,367.71

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Solution

The fourth proportional to 3,147.05, 4,720.62 and 1,367.71 is: 2,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.05 : 4,720.62 = 1,367.71 : x
  2. Step 2: Convert to fraction form
    3,147.05/4,720.62 = 1,367.71/x
  3. Step 3: Cross multiply
    3,147.05x = 4,720.62 × 1,367.71
  4. Step 4: Simplify right side
    3,147.05x = 6,456,415.58
  5. Step 5: Solve for x
    x = 6,456,415.58/3,147.05
  6. Step 6: Final answer
    x = 2,051.58

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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.