Home / 2,874.44-4,311.72-926.57

Finding the Fourth Proportional to 2,874.44, 4,311.72 and 926.57

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Solution

The fourth proportional to 2,874.44, 4,311.72 and 926.57 is: 1,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.44 : 4,311.72 = 926.57 : x
  2. Step 2: Convert to fraction form
    2,874.44/4,311.72 = 926.57/x
  3. Step 3: Cross multiply
    2,874.44x = 4,311.72 × 926.57
  4. Step 4: Simplify right side
    2,874.44x = 3,995,088.84
  5. Step 5: Solve for x
    x = 3,995,088.84/2,874.44
  6. Step 6: Final answer
    x = 1,389.87

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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.