Home / 2,110.84-3,165.59-629.69

Finding the Fourth Proportional to 2,110.84, 3,165.59 and 629.69

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Solution

The fourth proportional to 2,110.84, 3,165.59 and 629.69 is: 944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.84 : 3,165.59 = 629.69 : x
  2. Step 2: Convert to fraction form
    2,110.84/3,165.59 = 629.69/x
  3. Step 3: Cross multiply
    2,110.84x = 3,165.59 × 629.69
  4. Step 4: Simplify right side
    2,110.84x = 1,993,340.37
  5. Step 5: Solve for x
    x = 1,993,340.37/2,110.84
  6. Step 6: Final answer
    x = 944.34

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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.