Home / 3,635.78-5,453.37-1,443.92

Finding the Fourth Proportional to 3,635.78, 5,453.37 and 1,443.92

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Solution

The fourth proportional to 3,635.78, 5,453.37 and 1,443.92 is: 2,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.78 : 5,453.37 = 1,443.92 : x
  2. Step 2: Convert to fraction form
    3,635.78/5,453.37 = 1,443.92/x
  3. Step 3: Cross multiply
    3,635.78x = 5,453.37 × 1,443.92
  4. Step 4: Simplify right side
    3,635.78x = 7,874,240.94
  5. Step 5: Solve for x
    x = 7,874,240.94/3,635.78
  6. Step 6: Final answer
    x = 2,165.76

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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.