Home / 3,977.32-5,963.61-1,512.32

Finding the Fourth Proportional to 3,977.32, 5,963.61 and 1,512.32

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Solution

The fourth proportional to 3,977.32, 5,963.61 and 1,512.32 is: 2,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.32 : 5,963.61 = 1,512.32 : x
  2. Step 2: Convert to fraction form
    3,977.32/5,963.61 = 1,512.32/x
  3. Step 3: Cross multiply
    3,977.32x = 5,963.61 × 1,512.32
  4. Step 4: Simplify right side
    3,977.32x = 9,018,901.58
  5. Step 5: Solve for x
    x = 9,018,901.58/3,977.32
  6. Step 6: Final answer
    x = 2,267.58

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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.