Home / 2,313.10-3,467.55-851.90

Finding the Fourth Proportional to 2,313.10, 3,467.55 and 851.90

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Solution

The fourth proportional to 2,313.10, 3,467.55 and 851.90 is: 1,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.10 : 3,467.55 = 851.90 : x
  2. Step 2: Convert to fraction form
    2,313.10/3,467.55 = 851.90/x
  3. Step 3: Cross multiply
    2,313.10x = 3,467.55 × 851.90
  4. Step 4: Simplify right side
    2,313.10x = 2,954,005.85
  5. Step 5: Solve for x
    x = 2,954,005.85/2,313.10
  6. Step 6: Final answer
    x = 1,277.08

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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.