Home / 3,279.42-4,527.06-2,160.96

Finding the Fourth Proportional to 3,279.42, 4,527.06 and 2,160.96

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Solution

The fourth proportional to 3,279.42, 4,527.06 and 2,160.96 is: 2,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.42 : 4,527.06 = 2,160.96 : x
  2. Step 2: Convert to fraction form
    3,279.42/4,527.06 = 2,160.96/x
  3. Step 3: Cross multiply
    3,279.42x = 4,527.06 × 2,160.96
  4. Step 4: Simplify right side
    3,279.42x = 9,782,795.58
  5. Step 5: Solve for x
    x = 9,782,795.58/3,279.42
  6. Step 6: Final answer
    x = 2,983.09

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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.