Home / 3,977.19-5,965.85-1,344.72

Finding the Fourth Proportional to 3,977.19, 5,965.85 and 1,344.72

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Solution

The fourth proportional to 3,977.19, 5,965.85 and 1,344.72 is: 2,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.19 : 5,965.85 = 1,344.72 : x
  2. Step 2: Convert to fraction form
    3,977.19/5,965.85 = 1,344.72/x
  3. Step 3: Cross multiply
    3,977.19x = 5,965.85 × 1,344.72
  4. Step 4: Simplify right side
    3,977.19x = 8,022,391.09
  5. Step 5: Solve for x
    x = 8,022,391.09/3,977.19
  6. Step 6: Final answer
    x = 2,017.10

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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.