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Finding the Fourth Proportional to 3,133.42, 4,699.68 and 824.92

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Solution

The fourth proportional to 3,133.42, 4,699.68 and 824.92 is: 1,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.42 : 4,699.68 = 824.92 : x
  2. Step 2: Convert to fraction form
    3,133.42/4,699.68 = 824.92/x
  3. Step 3: Cross multiply
    3,133.42x = 4,699.68 × 824.92
  4. Step 4: Simplify right side
    3,133.42x = 3,876,860.03
  5. Step 5: Solve for x
    x = 3,876,860.03/3,133.42
  6. Step 6: Final answer
    x = 1,237.26

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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.