Home / 3,279.42-4,526.37-2,021.27

Finding the Fourth Proportional to 3,279.42, 4,526.37 and 2,021.27

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Solution

The fourth proportional to 3,279.42, 4,526.37 and 2,021.27 is: 2,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.42 : 4,526.37 = 2,021.27 : x
  2. Step 2: Convert to fraction form
    3,279.42/4,526.37 = 2,021.27/x
  3. Step 3: Cross multiply
    3,279.42x = 4,526.37 × 2,021.27
  4. Step 4: Simplify right side
    3,279.42x = 9,148,993.26
  5. Step 5: Solve for x
    x = 9,148,993.26/3,279.42
  6. Step 6: Final answer
    x = 2,789.82

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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.