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Finding the Fourth Proportional to 3,867.03, 5,336.67 and 2,374.65

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Solution

The fourth proportional to 3,867.03, 5,336.67 and 2,374.65 is: 3,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.03 : 5,336.67 = 2,374.65 : x
  2. Step 2: Convert to fraction form
    3,867.03/5,336.67 = 2,374.65/x
  3. Step 3: Cross multiply
    3,867.03x = 5,336.67 × 2,374.65
  4. Step 4: Simplify right side
    3,867.03x = 12,672,723.42
  5. Step 5: Solve for x
    x = 12,672,723.42/3,867.03
  6. Step 6: Final answer
    x = 3,277.12

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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.