Home / 3,321.21-4,582.33-2,142.96

Finding the Fourth Proportional to 3,321.21, 4,582.33 and 2,142.96

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Solution

The fourth proportional to 3,321.21, 4,582.33 and 2,142.96 is: 2,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.21 : 4,582.33 = 2,142.96 : x
  2. Step 2: Convert to fraction form
    3,321.21/4,582.33 = 2,142.96/x
  3. Step 3: Cross multiply
    3,321.21x = 4,582.33 × 2,142.96
  4. Step 4: Simplify right side
    3,321.21x = 9,819,761.72
  5. Step 5: Solve for x
    x = 9,819,761.72/3,321.21
  6. Step 6: Final answer
    x = 2,956.68

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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.