Home / 3,633.60-5,450.81-1,442.55

Finding the Fourth Proportional to 3,633.60, 5,450.81 and 1,442.55

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Solution

The fourth proportional to 3,633.60, 5,450.81 and 1,442.55 is: 2,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.60 : 5,450.81 = 1,442.55 : x
  2. Step 2: Convert to fraction form
    3,633.60/5,450.81 = 1,442.55/x
  3. Step 3: Cross multiply
    3,633.60x = 5,450.81 × 1,442.55
  4. Step 4: Simplify right side
    3,633.60x = 7,863,058.75
  5. Step 5: Solve for x
    x = 7,863,058.75/3,633.60
  6. Step 6: Final answer
    x = 2,163.99

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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.