Home / 3,243.92-4,860.39-2,555.06

Finding the Fourth Proportional to 3,243.92, 4,860.39 and 2,555.06

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Solution

The fourth proportional to 3,243.92, 4,860.39 and 2,555.06 is: 3,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.92 : 4,860.39 = 2,555.06 : x
  2. Step 2: Convert to fraction form
    3,243.92/4,860.39 = 2,555.06/x
  3. Step 3: Cross multiply
    3,243.92x = 4,860.39 × 2,555.06
  4. Step 4: Simplify right side
    3,243.92x = 12,418,588.07
  5. Step 5: Solve for x
    x = 12,418,588.07/3,243.92
  6. Step 6: Final answer
    x = 3,828.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.