Home / 2,403.78-3,605.22-1,104.93

Finding the Fourth Proportional to 2,403.78, 3,605.22 and 1,104.93

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Solution

The fourth proportional to 2,403.78, 3,605.22 and 1,104.93 is: 1,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.78 : 3,605.22 = 1,104.93 : x
  2. Step 2: Convert to fraction form
    2,403.78/3,605.22 = 1,104.93/x
  3. Step 3: Cross multiply
    2,403.78x = 3,605.22 × 1,104.93
  4. Step 4: Simplify right side
    2,403.78x = 3,983,515.73
  5. Step 5: Solve for x
    x = 3,983,515.73/2,403.78
  6. Step 6: Final answer
    x = 1,657.19

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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.