Home / 3,571.37-5,356.01-1,379.58

Finding the Fourth Proportional to 3,571.37, 5,356.01 and 1,379.58

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Solution

The fourth proportional to 3,571.37, 5,356.01 and 1,379.58 is: 2,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.37 : 5,356.01 = 1,379.58 : x
  2. Step 2: Convert to fraction form
    3,571.37/5,356.01 = 1,379.58/x
  3. Step 3: Cross multiply
    3,571.37x = 5,356.01 × 1,379.58
  4. Step 4: Simplify right side
    3,571.37x = 7,389,037.38
  5. Step 5: Solve for x
    x = 7,389,037.38/3,571.37
  6. Step 6: Final answer
    x = 2,068.97

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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.