Home / 3,200.64-4,381.68-3,179.04

Finding the Fourth Proportional to 3,200.64, 4,381.68 and 3,179.04

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Solution

The fourth proportional to 3,200.64, 4,381.68 and 3,179.04 is: 4,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.64 : 4,381.68 = 3,179.04 : x
  2. Step 2: Convert to fraction form
    3,200.64/4,381.68 = 3,179.04/x
  3. Step 3: Cross multiply
    3,200.64x = 4,381.68 × 3,179.04
  4. Step 4: Simplify right side
    3,200.64x = 13,929,535.99
  5. Step 5: Solve for x
    x = 13,929,535.99/3,200.64
  6. Step 6: Final answer
    x = 4,352.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.