Home / 3,639.26-5,454.33-1,556.82

Finding the Fourth Proportional to 3,639.26, 5,454.33 and 1,556.82

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Solution

The fourth proportional to 3,639.26, 5,454.33 and 1,556.82 is: 2,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.26 : 5,454.33 = 1,556.82 : x
  2. Step 2: Convert to fraction form
    3,639.26/5,454.33 = 1,556.82/x
  3. Step 3: Cross multiply
    3,639.26x = 5,454.33 × 1,556.82
  4. Step 4: Simplify right side
    3,639.26x = 8,491,410.03
  5. Step 5: Solve for x
    x = 8,491,410.03/3,639.26
  6. Step 6: Final answer
    x = 2,333.28

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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.