Home / 2,435.20-3,651.51-791.54

Finding the Fourth Proportional to 2,435.20, 3,651.51 and 791.54

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Solution

The fourth proportional to 2,435.20, 3,651.51 and 791.54 is: 1,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.20 : 3,651.51 = 791.54 : x
  2. Step 2: Convert to fraction form
    2,435.20/3,651.51 = 791.54/x
  3. Step 3: Cross multiply
    2,435.20x = 3,651.51 × 791.54
  4. Step 4: Simplify right side
    2,435.20x = 2,890,314.63
  5. Step 5: Solve for x
    x = 2,890,314.63/2,435.20
  6. Step 6: Final answer
    x = 1,186.89

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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.