Home / 2,313.72-3,464.82-1,930.68

Finding the Fourth Proportional to 2,313.72, 3,464.82 and 1,930.68

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Solution

The fourth proportional to 2,313.72, 3,464.82 and 1,930.68 is: 2,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.72 : 3,464.82 = 1,930.68 : x
  2. Step 2: Convert to fraction form
    2,313.72/3,464.82 = 1,930.68/x
  3. Step 3: Cross multiply
    2,313.72x = 3,464.82 × 1,930.68
  4. Step 4: Simplify right side
    2,313.72x = 6,689,458.68
  5. Step 5: Solve for x
    x = 6,689,458.68/2,313.72
  6. Step 6: Final answer
    x = 2,891.21

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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.