Home / 2,284.90-3,428.33-1,115.94

Finding the Fourth Proportional to 2,284.90, 3,428.33 and 1,115.94

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Solution

The fourth proportional to 2,284.90, 3,428.33 and 1,115.94 is: 1,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.90 : 3,428.33 = 1,115.94 : x
  2. Step 2: Convert to fraction form
    2,284.90/3,428.33 = 1,115.94/x
  3. Step 3: Cross multiply
    2,284.90x = 3,428.33 × 1,115.94
  4. Step 4: Simplify right side
    2,284.90x = 3,825,787.86
  5. Step 5: Solve for x
    x = 3,825,787.86/2,284.90
  6. Step 6: Final answer
    x = 1,674.38

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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.