Home / 3,977.11-5,966.55-1,511.98

Finding the Fourth Proportional to 3,977.11, 5,966.55 and 1,511.98

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Solution

The fourth proportional to 3,977.11, 5,966.55 and 1,511.98 is: 2,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.11 : 5,966.55 = 1,511.98 : x
  2. Step 2: Convert to fraction form
    3,977.11/5,966.55 = 1,511.98/x
  3. Step 3: Cross multiply
    3,977.11x = 5,966.55 × 1,511.98
  4. Step 4: Simplify right side
    3,977.11x = 9,021,304.27
  5. Step 5: Solve for x
    x = 9,021,304.27/3,977.11
  6. Step 6: Final answer
    x = 2,268.31

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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.