Home / 1,777.11-2,660.81-1,469.85

Finding the Fourth Proportional to 1,777.11, 2,660.81 and 1,469.85

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Solution

The fourth proportional to 1,777.11, 2,660.81 and 1,469.85 is: 2,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.11 : 2,660.81 = 1,469.85 : x
  2. Step 2: Convert to fraction form
    1,777.11/2,660.81 = 1,469.85/x
  3. Step 3: Cross multiply
    1,777.11x = 2,660.81 × 1,469.85
  4. Step 4: Simplify right side
    1,777.11x = 3,910,984.23
  5. Step 5: Solve for x
    x = 3,910,984.23/1,777.11
  6. Step 6: Final answer
    x = 2,200.76

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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.