Home / 1,829.28-2,745.12-1,340.84

Finding the Fourth Proportional to 1,829.28, 2,745.12 and 1,340.84

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Solution

The fourth proportional to 1,829.28, 2,745.12 and 1,340.84 is: 2,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.28 : 2,745.12 = 1,340.84 : x
  2. Step 2: Convert to fraction form
    1,829.28/2,745.12 = 1,340.84/x
  3. Step 3: Cross multiply
    1,829.28x = 2,745.12 × 1,340.84
  4. Step 4: Simplify right side
    1,829.28x = 3,680,766.70
  5. Step 5: Solve for x
    x = 3,680,766.70/1,829.28
  6. Step 6: Final answer
    x = 2,012.14

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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.