Home / 3,622.12-5,427.24-3,319.52

Finding the Fourth Proportional to 3,622.12, 5,427.24 and 3,319.52

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Solution

The fourth proportional to 3,622.12, 5,427.24 and 3,319.52 is: 4,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.12 : 5,427.24 = 3,319.52 : x
  2. Step 2: Convert to fraction form
    3,622.12/5,427.24 = 3,319.52/x
  3. Step 3: Cross multiply
    3,622.12x = 5,427.24 × 3,319.52
  4. Step 4: Simplify right side
    3,622.12x = 18,015,831.72
  5. Step 5: Solve for x
    x = 18,015,831.72/3,622.12
  6. Step 6: Final answer
    x = 4,973.84

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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.