Home / 2,110.24-3,164.75-629.40

Finding the Fourth Proportional to 2,110.24, 3,164.75 and 629.40

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Solution

The fourth proportional to 2,110.24, 3,164.75 and 629.40 is: 943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.24 : 3,164.75 = 629.40 : x
  2. Step 2: Convert to fraction form
    2,110.24/3,164.75 = 629.40/x
  3. Step 3: Cross multiply
    2,110.24x = 3,164.75 × 629.40
  4. Step 4: Simplify right side
    2,110.24x = 1,991,890.50
  5. Step 5: Solve for x
    x = 1,991,890.50/2,110.24
  6. Step 6: Final answer
    x = 943.92

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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.