Home / 2,403.54-3,605.31-1,105.92

Finding the Fourth Proportional to 2,403.54, 3,605.31 and 1,105.92

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Solution

The fourth proportional to 2,403.54, 3,605.31 and 1,105.92 is: 1,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.54 : 3,605.31 = 1,105.92 : x
  2. Step 2: Convert to fraction form
    2,403.54/3,605.31 = 1,105.92/x
  3. Step 3: Cross multiply
    2,403.54x = 3,605.31 × 1,105.92
  4. Step 4: Simplify right side
    2,403.54x = 3,987,184.44
  5. Step 5: Solve for x
    x = 3,987,184.44/2,403.54
  6. Step 6: Final answer
    x = 1,658.88

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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.