Home / 4,128.05-5,696.34-2,449.17

Finding the Fourth Proportional to 4,128.05, 5,696.34 and 2,449.17

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Solution

The fourth proportional to 4,128.05, 5,696.34 and 2,449.17 is: 3,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.05 : 5,696.34 = 2,449.17 : x
  2. Step 2: Convert to fraction form
    4,128.05/5,696.34 = 2,449.17/x
  3. Step 3: Cross multiply
    4,128.05x = 5,696.34 × 2,449.17
  4. Step 4: Simplify right side
    4,128.05x = 13,951,295.85
  5. Step 5: Solve for x
    x = 13,951,295.85/4,128.05
  6. Step 6: Final answer
    x = 3,379.63

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1.5x scale

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.