Home / 3,558.24-5,338.32-3,215.52

Finding the Fourth Proportional to 3,558.24, 5,338.32 and 3,215.52

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Solution

The fourth proportional to 3,558.24, 5,338.32 and 3,215.52 is: 4,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.24 : 5,338.32 = 3,215.52 : x
  2. Step 2: Convert to fraction form
    3,558.24/5,338.32 = 3,215.52/x
  3. Step 3: Cross multiply
    3,558.24x = 5,338.32 × 3,215.52
  4. Step 4: Simplify right side
    3,558.24x = 17,165,474.73
  5. Step 5: Solve for x
    x = 17,165,474.73/3,558.24
  6. Step 6: Final answer
    x = 4,824.15

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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.