Home / 3,651.58-5,477.32-2,478.68

Finding the Fourth Proportional to 3,651.58, 5,477.32 and 2,478.68

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Solution

The fourth proportional to 3,651.58, 5,477.32 and 2,478.68 is: 3,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.58 : 5,477.32 = 2,478.68 : x
  2. Step 2: Convert to fraction form
    3,651.58/5,477.32 = 2,478.68/x
  3. Step 3: Cross multiply
    3,651.58x = 5,477.32 × 2,478.68
  4. Step 4: Simplify right side
    3,651.58x = 13,576,523.54
  5. Step 5: Solve for x
    x = 13,576,523.54/3,651.58
  6. Step 6: Final answer
    x = 3,717.99

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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.