Home / 2,122.07-3,178.85-2,043.09

Finding the Fourth Proportional to 2,122.07, 3,178.85 and 2,043.09

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Solution

The fourth proportional to 2,122.07, 3,178.85 and 2,043.09 is: 3,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.07 : 3,178.85 = 2,043.09 : x
  2. Step 2: Convert to fraction form
    2,122.07/3,178.85 = 2,043.09/x
  3. Step 3: Cross multiply
    2,122.07x = 3,178.85 × 2,043.09
  4. Step 4: Simplify right side
    2,122.07x = 6,494,666.43
  5. Step 5: Solve for x
    x = 6,494,666.43/2,122.07
  6. Step 6: Final answer
    x = 3,060.54

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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.