Home / 3,977.69-5,967.36-1,512.05

Finding the Fourth Proportional to 3,977.69, 5,967.36 and 1,512.05

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Solution

The fourth proportional to 3,977.69, 5,967.36 and 1,512.05 is: 2,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.69 : 5,967.36 = 1,512.05 : x
  2. Step 2: Convert to fraction form
    3,977.69/5,967.36 = 1,512.05/x
  3. Step 3: Cross multiply
    3,977.69x = 5,967.36 × 1,512.05
  4. Step 4: Simplify right side
    3,977.69x = 9,022,946.69
  5. Step 5: Solve for x
    x = 9,022,946.69/3,977.69
  6. Step 6: Final answer
    x = 2,268.39

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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.