Home / 2,958.82-4,082.52-1,699.78

Finding the Fourth Proportional to 2,958.82, 4,082.52 and 1,699.78

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Solution

The fourth proportional to 2,958.82, 4,082.52 and 1,699.78 is: 2,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.82 : 4,082.52 = 1,699.78 : x
  2. Step 2: Convert to fraction form
    2,958.82/4,082.52 = 1,699.78/x
  3. Step 3: Cross multiply
    2,958.82x = 4,082.52 × 1,699.78
  4. Step 4: Simplify right side
    2,958.82x = 6,939,385.85
  5. Step 5: Solve for x
    x = 6,939,385.85/2,958.82
  6. Step 6: Final answer
    x = 2,345.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.