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Finding the Fourth Proportional to 3,281.96, 4,919.16 and 1,332.02

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Solution

The fourth proportional to 3,281.96, 4,919.16 and 1,332.02 is: 1,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.96 : 4,919.16 = 1,332.02 : x
  2. Step 2: Convert to fraction form
    3,281.96/4,919.16 = 1,332.02/x
  3. Step 3: Cross multiply
    3,281.96x = 4,919.16 × 1,332.02
  4. Step 4: Simplify right side
    3,281.96x = 6,552,419.50
  5. Step 5: Solve for x
    x = 6,552,419.50/3,281.96
  6. Step 6: Final answer
    x = 1,996.50

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Why These Related Problems?

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