Home / 2,966.38-4,094.94-2,131.27

Finding the Fourth Proportional to 2,966.38, 4,094.94 and 2,131.27

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Solution

The fourth proportional to 2,966.38, 4,094.94 and 2,131.27 is: 2,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.38 : 4,094.94 = 2,131.27 : x
  2. Step 2: Convert to fraction form
    2,966.38/4,094.94 = 2,131.27/x
  3. Step 3: Cross multiply
    2,966.38x = 4,094.94 × 2,131.27
  4. Step 4: Simplify right side
    2,966.38x = 8,727,422.77
  5. Step 5: Solve for x
    x = 8,727,422.77/2,966.38
  6. Step 6: Final answer
    x = 2,942.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.