Home / 2,874.28-4,310.51-926.03

Finding the Fourth Proportional to 2,874.28, 4,310.51 and 926.03

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Solution

The fourth proportional to 2,874.28, 4,310.51 and 926.03 is: 1,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.28 : 4,310.51 = 926.03 : x
  2. Step 2: Convert to fraction form
    2,874.28/4,310.51 = 926.03/x
  3. Step 3: Cross multiply
    2,874.28x = 4,310.51 × 926.03
  4. Step 4: Simplify right side
    2,874.28x = 3,991,661.58
  5. Step 5: Solve for x
    x = 3,991,661.58/2,874.28
  6. Step 6: Final answer
    x = 1,388.75

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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.