Home / 3,688.56-5,535.24-3,391.92

Finding the Fourth Proportional to 3,688.56, 5,535.24 and 3,391.92

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Solution

The fourth proportional to 3,688.56, 5,535.24 and 3,391.92 is: 5,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.56 : 5,535.24 = 3,391.92 : x
  2. Step 2: Convert to fraction form
    3,688.56/5,535.24 = 3,391.92/x
  3. Step 3: Cross multiply
    3,688.56x = 5,535.24 × 3,391.92
  4. Step 4: Simplify right side
    3,688.56x = 18,775,091.26
  5. Step 5: Solve for x
    x = 18,775,091.26/3,688.56
  6. Step 6: Final answer
    x = 5,090.09

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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.