Home / 3,977.52-5,966.31-1,512.36

Finding the Fourth Proportional to 3,977.52, 5,966.31 and 1,512.36

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Solution

The fourth proportional to 3,977.52, 5,966.31 and 1,512.36 is: 2,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.52 : 5,966.31 = 1,512.36 : x
  2. Step 2: Convert to fraction form
    3,977.52/5,966.31 = 1,512.36/x
  3. Step 3: Cross multiply
    3,977.52x = 5,966.31 × 1,512.36
  4. Step 4: Simplify right side
    3,977.52x = 9,023,208.59
  5. Step 5: Solve for x
    x = 9,023,208.59/3,977.52
  6. Step 6: Final answer
    x = 2,268.55

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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.