Home / 2,742.68-4,109.22-2,283.41

Finding the Fourth Proportional to 2,742.68, 4,109.22 and 2,283.41

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Solution

The fourth proportional to 2,742.68, 4,109.22 and 2,283.41 is: 3,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.68 : 4,109.22 = 2,283.41 : x
  2. Step 2: Convert to fraction form
    2,742.68/4,109.22 = 2,283.41/x
  3. Step 3: Cross multiply
    2,742.68x = 4,109.22 × 2,283.41
  4. Step 4: Simplify right side
    2,742.68x = 9,383,013.49
  5. Step 5: Solve for x
    x = 9,383,013.49/2,742.68
  6. Step 6: Final answer
    x = 3,421.12

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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.