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Finding the Fourth Proportional to 3,288.63, 4,932.96 and 1,643.52

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Solution

The fourth proportional to 3,288.63, 4,932.96 and 1,643.52 is: 2,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.63 : 4,932.96 = 1,643.52 : x
  2. Step 2: Convert to fraction form
    3,288.63/4,932.96 = 1,643.52/x
  3. Step 3: Cross multiply
    3,288.63x = 4,932.96 × 1,643.52
  4. Step 4: Simplify right side
    3,288.63x = 8,107,418.42
  5. Step 5: Solve for x
    x = 8,107,418.42/3,288.63
  6. Step 6: Final answer
    x = 2,465.29

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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.