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Finding the Fourth Proportional to 2,342.82, 3,513.33 and 782.52

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Solution

The fourth proportional to 2,342.82, 3,513.33 and 782.52 is: 1,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.82 : 3,513.33 = 782.52 : x
  2. Step 2: Convert to fraction form
    2,342.82/3,513.33 = 782.52/x
  3. Step 3: Cross multiply
    2,342.82x = 3,513.33 × 782.52
  4. Step 4: Simplify right side
    2,342.82x = 2,749,250.99
  5. Step 5: Solve for x
    x = 2,749,250.99/2,342.82
  6. Step 6: Final answer
    x = 1,173.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.