Home / 3,299.01-4,550.45-2,121.57

Finding the Fourth Proportional to 3,299.01, 4,550.45 and 2,121.57

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Solution

The fourth proportional to 3,299.01, 4,550.45 and 2,121.57 is: 2,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.01 : 4,550.45 = 2,121.57 : x
  2. Step 2: Convert to fraction form
    3,299.01/4,550.45 = 2,121.57/x
  3. Step 3: Cross multiply
    3,299.01x = 4,550.45 × 2,121.57
  4. Step 4: Simplify right side
    3,299.01x = 9,654,087.60
  5. Step 5: Solve for x
    x = 9,654,087.60/3,299.01
  6. Step 6: Final answer
    x = 2,926.36

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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.