Home / 3,174.64-4,378.50-2,110.48

Finding the Fourth Proportional to 3,174.64, 4,378.50 and 2,110.48

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Solution

The fourth proportional to 3,174.64, 4,378.50 and 2,110.48 is: 2,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.64 : 4,378.50 = 2,110.48 : x
  2. Step 2: Convert to fraction form
    3,174.64/4,378.50 = 2,110.48/x
  3. Step 3: Cross multiply
    3,174.64x = 4,378.50 × 2,110.48
  4. Step 4: Simplify right side
    3,174.64x = 9,240,736.68
  5. Step 5: Solve for x
    x = 9,240,736.68/3,174.64
  6. Step 6: Final answer
    x = 2,910.80

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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.