Home / 2,945.30-4,418.21-754.04

Finding the Fourth Proportional to 2,945.30, 4,418.21 and 754.04

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Solution

The fourth proportional to 2,945.30, 4,418.21 and 754.04 is: 1,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.30 : 4,418.21 = 754.04 : x
  2. Step 2: Convert to fraction form
    2,945.30/4,418.21 = 754.04/x
  3. Step 3: Cross multiply
    2,945.30x = 4,418.21 × 754.04
  4. Step 4: Simplify right side
    2,945.30x = 3,331,520.00
  5. Step 5: Solve for x
    x = 3,331,520.00/2,945.30
  6. Step 6: Final answer
    x = 1,131.13

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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.