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Finding the Fourth Proportional to 3,289.82, 4,933.85 and 1,341.63

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Solution

The fourth proportional to 3,289.82, 4,933.85 and 1,341.63 is: 2,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.82 : 4,933.85 = 1,341.63 : x
  2. Step 2: Convert to fraction form
    3,289.82/4,933.85 = 1,341.63/x
  3. Step 3: Cross multiply
    3,289.82x = 4,933.85 × 1,341.63
  4. Step 4: Simplify right side
    3,289.82x = 6,619,394.47
  5. Step 5: Solve for x
    x = 6,619,394.47/3,289.82
  6. Step 6: Final answer
    x = 2,012.09

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1.5x scale

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.