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Finding the Fourth Proportional to 2,400.82, 3,313.12 and 1,296.82

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Solution

The fourth proportional to 2,400.82, 3,313.12 and 1,296.82 is: 1,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.82 : 3,313.12 = 1,296.82 : x
  2. Step 2: Convert to fraction form
    2,400.82/3,313.12 = 1,296.82/x
  3. Step 3: Cross multiply
    2,400.82x = 3,313.12 × 1,296.82
  4. Step 4: Simplify right side
    2,400.82x = 4,296,503.71
  5. Step 5: Solve for x
    x = 4,296,503.71/2,400.82
  6. Step 6: Final answer
    x = 1,789.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.