Home / 2,192.79-3,273.58-2,115.91

Finding the Fourth Proportional to 2,192.79, 3,273.58 and 2,115.91

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Solution

The fourth proportional to 2,192.79, 3,273.58 and 2,115.91 is: 3,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.79 : 3,273.58 = 2,115.91 : x
  2. Step 2: Convert to fraction form
    2,192.79/3,273.58 = 2,115.91/x
  3. Step 3: Cross multiply
    2,192.79x = 3,273.58 × 2,115.91
  4. Step 4: Simplify right side
    2,192.79x = 6,926,607.39
  5. Step 5: Solve for x
    x = 6,926,607.39/2,192.79
  6. Step 6: Final answer
    x = 3,158.80

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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.