Home / 2,205.46-3,306.72-1,164.36

Finding the Fourth Proportional to 2,205.46, 3,306.72 and 1,164.36

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Solution

The fourth proportional to 2,205.46, 3,306.72 and 1,164.36 is: 1,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.46 : 3,306.72 = 1,164.36 : x
  2. Step 2: Convert to fraction form
    2,205.46/3,306.72 = 1,164.36/x
  3. Step 3: Cross multiply
    2,205.46x = 3,306.72 × 1,164.36
  4. Step 4: Simplify right side
    2,205.46x = 3,850,212.50
  5. Step 5: Solve for x
    x = 3,850,212.50/2,205.46
  6. Step 6: Final answer
    x = 1,745.76

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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.