Home / 3,977.15-5,965.72-1,511.37

Finding the Fourth Proportional to 3,977.15, 5,965.72 and 1,511.37

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Solution

The fourth proportional to 3,977.15, 5,965.72 and 1,511.37 is: 2,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.15 : 5,965.72 = 1,511.37 : x
  2. Step 2: Convert to fraction form
    3,977.15/5,965.72 = 1,511.37/x
  3. Step 3: Cross multiply
    3,977.15x = 5,965.72 × 1,511.37
  4. Step 4: Simplify right side
    3,977.15x = 9,016,406.46
  5. Step 5: Solve for x
    x = 9,016,406.46/3,977.15
  6. Step 6: Final answer
    x = 2,267.06

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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.