Home / 3,005.83-4,505.71-1,443.54

Finding the Fourth Proportional to 3,005.83, 4,505.71 and 1,443.54

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Solution

The fourth proportional to 3,005.83, 4,505.71 and 1,443.54 is: 2,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.83 : 4,505.71 = 1,443.54 : x
  2. Step 2: Convert to fraction form
    3,005.83/4,505.71 = 1,443.54/x
  3. Step 3: Cross multiply
    3,005.83x = 4,505.71 × 1,443.54
  4. Step 4: Simplify right side
    3,005.83x = 6,504,172.61
  5. Step 5: Solve for x
    x = 6,504,172.61/3,005.83
  6. Step 6: Final answer
    x = 2,163.85

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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.