Home / 3,354.38-5,057.32-3,128.52

Finding the Fourth Proportional to 3,354.38, 5,057.32 and 3,128.52

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Solution

The fourth proportional to 3,354.38, 5,057.32 and 3,128.52 is: 4,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.38 : 5,057.32 = 3,128.52 : x
  2. Step 2: Convert to fraction form
    3,354.38/5,057.32 = 3,128.52/x
  3. Step 3: Cross multiply
    3,354.38x = 5,057.32 × 3,128.52
  4. Step 4: Simplify right side
    3,354.38x = 15,821,926.77
  5. Step 5: Solve for x
    x = 15,821,926.77/3,354.38
  6. Step 6: Final answer
    x = 4,716.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.