Home / 2,876.19-4,313.37-927.95

Finding the Fourth Proportional to 2,876.19, 4,313.37 and 927.95

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Solution

The fourth proportional to 2,876.19, 4,313.37 and 927.95 is: 1,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.19 : 4,313.37 = 927.95 : x
  2. Step 2: Convert to fraction form
    2,876.19/4,313.37 = 927.95/x
  3. Step 3: Cross multiply
    2,876.19x = 4,313.37 × 927.95
  4. Step 4: Simplify right side
    2,876.19x = 4,002,570.12
  5. Step 5: Solve for x
    x = 4,002,570.12/2,876.19
  6. Step 6: Final answer
    x = 1,391.62

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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.