Home / 3,977.91-5,966.87-2,741.63

Finding the Fourth Proportional to 3,977.91, 5,966.87 and 2,741.63

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Solution

The fourth proportional to 3,977.91, 5,966.87 and 2,741.63 is: 4,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.91 : 5,966.87 = 2,741.63 : x
  2. Step 2: Convert to fraction form
    3,977.91/5,966.87 = 2,741.63/x
  3. Step 3: Cross multiply
    3,977.91x = 5,966.87 × 2,741.63
  4. Step 4: Simplify right side
    3,977.91x = 16,358,906.26
  5. Step 5: Solve for x
    x = 16,358,906.26/3,977.91
  6. Step 6: Final answer
    x = 4,112.44

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1.5x scale

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.