Home / 2,874.26-4,311.54-926.62

Finding the Fourth Proportional to 2,874.26, 4,311.54 and 926.62

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Solution

The fourth proportional to 2,874.26, 4,311.54 and 926.62 is: 1,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.26 : 4,311.54 = 926.62 : x
  2. Step 2: Convert to fraction form
    2,874.26/4,311.54 = 926.62/x
  3. Step 3: Cross multiply
    2,874.26x = 4,311.54 × 926.62
  4. Step 4: Simplify right side
    2,874.26x = 3,995,159.19
  5. Step 5: Solve for x
    x = 3,995,159.19/2,874.26
  6. Step 6: Final answer
    x = 1,389.98

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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.