Home / 2,876.14-4,314.60-927.88

Finding the Fourth Proportional to 2,876.14, 4,314.60 and 927.88

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Solution

The fourth proportional to 2,876.14, 4,314.60 and 927.88 is: 1,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.14 : 4,314.60 = 927.88 : x
  2. Step 2: Convert to fraction form
    2,876.14/4,314.60 = 927.88/x
  3. Step 3: Cross multiply
    2,876.14x = 4,314.60 × 927.88
  4. Step 4: Simplify right side
    2,876.14x = 4,003,431.05
  5. Step 5: Solve for x
    x = 4,003,431.05/2,876.14
  6. Step 6: Final answer
    x = 1,391.95

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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.