Home / 1,669.11-2,504.03-629.43

Finding the Fourth Proportional to 1,669.11, 2,504.03 and 629.43

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Solution

The fourth proportional to 1,669.11, 2,504.03 and 629.43 is: 944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.11 : 2,504.03 = 629.43 : x
  2. Step 2: Convert to fraction form
    1,669.11/2,504.03 = 629.43/x
  3. Step 3: Cross multiply
    1,669.11x = 2,504.03 × 629.43
  4. Step 4: Simplify right side
    1,669.11x = 1,576,108.46
  5. Step 5: Solve for x
    x = 1,576,108.46/1,669.11
  6. Step 6: Final answer
    x = 944.28

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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.