Home / 3,324-4,985.84-1,132.68

Finding the Fourth Proportional to 3,324, 4,985.84 and 1,132.68

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Solution

The fourth proportional to 3,324, 4,985.84 and 1,132.68 is: 1,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324 : 4,985.84 = 1,132.68 : x
  2. Step 2: Convert to fraction form
    3,324/4,985.84 = 1,132.68/x
  3. Step 3: Cross multiply
    3,324x = 4,985.84 × 1,132.68
  4. Step 4: Simplify right side
    3,324x = 5,647,361.25
  5. Step 5: Solve for x
    x = 5,647,361.25/3,324
  6. Step 6: Final answer
    x = 1,698.97

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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.