Home / 2,876.19-4,310.68-1,230.81

Finding the Fourth Proportional to 2,876.19, 4,310.68 and 1,230.81

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Solution

The fourth proportional to 2,876.19, 4,310.68 and 1,230.81 is: 1,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.19 : 4,310.68 = 1,230.81 : x
  2. Step 2: Convert to fraction form
    2,876.19/4,310.68 = 1,230.81/x
  3. Step 3: Cross multiply
    2,876.19x = 4,310.68 × 1,230.81
  4. Step 4: Simplify right side
    2,876.19x = 5,305,628.05
  5. Step 5: Solve for x
    x = 5,305,628.05/2,876.19
  6. Step 6: Final answer
    x = 1,844.67

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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.