Home / 3,299.85-4,553.46-2,120.04

Finding the Fourth Proportional to 3,299.85, 4,553.46 and 2,120.04

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Solution

The fourth proportional to 3,299.85, 4,553.46 and 2,120.04 is: 2,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.85 : 4,553.46 = 2,120.04 : x
  2. Step 2: Convert to fraction form
    3,299.85/4,553.46 = 2,120.04/x
  3. Step 3: Cross multiply
    3,299.85x = 4,553.46 × 2,120.04
  4. Step 4: Simplify right side
    3,299.85x = 9,653,517.34
  5. Step 5: Solve for x
    x = 9,653,517.34/3,299.85
  6. Step 6: Final answer
    x = 2,925.44

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1.5x scale

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.