Home / 3,578.04-5,367.96-1,113.12

Finding the Fourth Proportional to 3,578.04, 5,367.96 and 1,113.12

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Solution

The fourth proportional to 3,578.04, 5,367.96 and 1,113.12 is: 1,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.04 : 5,367.96 = 1,113.12 : x
  2. Step 2: Convert to fraction form
    3,578.04/5,367.96 = 1,113.12/x
  3. Step 3: Cross multiply
    3,578.04x = 5,367.96 × 1,113.12
  4. Step 4: Simplify right side
    3,578.04x = 5,975,183.64
  5. Step 5: Solve for x
    x = 5,975,183.64/3,578.04
  6. Step 6: Final answer
    x = 1,669.96

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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.