Home / 3,820.20-5,271.96-2,327.94

Finding the Fourth Proportional to 3,820.20, 5,271.96 and 2,327.94

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Solution

The fourth proportional to 3,820.20, 5,271.96 and 2,327.94 is: 3,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.20 : 5,271.96 = 2,327.94 : x
  2. Step 2: Convert to fraction form
    3,820.20/5,271.96 = 2,327.94/x
  3. Step 3: Cross multiply
    3,820.20x = 5,271.96 × 2,327.94
  4. Step 4: Simplify right side
    3,820.20x = 12,272,806.56
  5. Step 5: Solve for x
    x = 12,272,806.56/3,820.20
  6. Step 6: Final answer
    x = 3,212.61

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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.