Home / 2,168.32-3,252.80-629.44

Finding the Fourth Proportional to 2,168.32, 3,252.80 and 629.44

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Solution

The fourth proportional to 2,168.32, 3,252.80 and 629.44 is: 944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.32 : 3,252.80 = 629.44 : x
  2. Step 2: Convert to fraction form
    2,168.32/3,252.80 = 629.44/x
  3. Step 3: Cross multiply
    2,168.32x = 3,252.80 × 629.44
  4. Step 4: Simplify right side
    2,168.32x = 2,047,442.43
  5. Step 5: Solve for x
    x = 2,047,442.43/2,168.32
  6. Step 6: Final answer
    x = 944.25

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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.