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Finding the Fourth Proportional to 2,447.84, 3,671.82 and 716.46

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Solution

The fourth proportional to 2,447.84, 3,671.82 and 716.46 is: 1,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.84 : 3,671.82 = 716.46 : x
  2. Step 2: Convert to fraction form
    2,447.84/3,671.82 = 716.46/x
  3. Step 3: Cross multiply
    2,447.84x = 3,671.82 × 716.46
  4. Step 4: Simplify right side
    2,447.84x = 2,630,712.16
  5. Step 5: Solve for x
    x = 2,630,712.16/2,447.84
  6. Step 6: Final answer
    x = 1,074.71

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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.