Home / 1,822.55-2,733.89-1,727.78

Finding the Fourth Proportional to 1,822.55, 2,733.89 and 1,727.78

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Solution

The fourth proportional to 1,822.55, 2,733.89 and 1,727.78 is: 2,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.55 : 2,733.89 = 1,727.78 : x
  2. Step 2: Convert to fraction form
    1,822.55/2,733.89 = 1,727.78/x
  3. Step 3: Cross multiply
    1,822.55x = 2,733.89 × 1,727.78
  4. Step 4: Simplify right side
    1,822.55x = 4,723,538.16
  5. Step 5: Solve for x
    x = 4,723,538.16/1,822.55
  6. Step 6: Final answer
    x = 2,591.73

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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.