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Finding the Fourth Proportional to 3,571.81, 4,926.61 and 2,511.79

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Solution

The fourth proportional to 3,571.81, 4,926.61 and 2,511.79 is: 3,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.81 : 4,926.61 = 2,511.79 : x
  2. Step 2: Convert to fraction form
    3,571.81/4,926.61 = 2,511.79/x
  3. Step 3: Cross multiply
    3,571.81x = 4,926.61 × 2,511.79
  4. Step 4: Simplify right side
    3,571.81x = 12,374,609.73
  5. Step 5: Solve for x
    x = 12,374,609.73/3,571.81
  6. Step 6: Final answer
    x = 3,464.52

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1.5x scale

Why These Related Problems?

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