Home / 3,501.86-5,245.78-2,110.99

Finding the Fourth Proportional to 3,501.86, 5,245.78 and 2,110.99

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Solution

The fourth proportional to 3,501.86, 5,245.78 and 2,110.99 is: 3,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.86 : 5,245.78 = 2,110.99 : x
  2. Step 2: Convert to fraction form
    3,501.86/5,245.78 = 2,110.99/x
  3. Step 3: Cross multiply
    3,501.86x = 5,245.78 × 2,110.99
  4. Step 4: Simplify right side
    3,501.86x = 11,073,789.12
  5. Step 5: Solve for x
    x = 11,073,789.12/3,501.86
  6. Step 6: Final answer
    x = 3,162.26

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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.