Home / 3,371.22-4,654.58-2,112.80

Finding the Fourth Proportional to 3,371.22, 4,654.58 and 2,112.80

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Solution

The fourth proportional to 3,371.22, 4,654.58 and 2,112.80 is: 2,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.22 : 4,654.58 = 2,112.80 : x
  2. Step 2: Convert to fraction form
    3,371.22/4,654.58 = 2,112.80/x
  3. Step 3: Cross multiply
    3,371.22x = 4,654.58 × 2,112.80
  4. Step 4: Simplify right side
    3,371.22x = 9,834,162.79
  5. Step 5: Solve for x
    x = 9,834,162.79/3,371.22
  6. Step 6: Final answer
    x = 2,917.09

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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.