Home / 2,192.67-3,273.40-2,115.79

Finding the Fourth Proportional to 2,192.67, 3,273.40 and 2,115.79

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Solution

The fourth proportional to 2,192.67, 3,273.40 and 2,115.79 is: 3,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.67 : 3,273.40 = 2,115.79 : x
  2. Step 2: Convert to fraction form
    2,192.67/3,273.40 = 2,115.79/x
  3. Step 3: Cross multiply
    2,192.67x = 3,273.40 × 2,115.79
  4. Step 4: Simplify right side
    2,192.67x = 6,925,826.99
  5. Step 5: Solve for x
    x = 6,925,826.99/2,192.67
  6. Step 6: Final answer
    x = 3,158.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.