Home / 3,578.53-5,367.82-1,113.29

Finding the Fourth Proportional to 3,578.53, 5,367.82 and 1,113.29

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Solution

The fourth proportional to 3,578.53, 5,367.82 and 1,113.29 is: 1,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.53 : 5,367.82 = 1,113.29 : x
  2. Step 2: Convert to fraction form
    3,578.53/5,367.82 = 1,113.29/x
  3. Step 3: Cross multiply
    3,578.53x = 5,367.82 × 1,113.29
  4. Step 4: Simplify right side
    3,578.53x = 5,975,963.12
  5. Step 5: Solve for x
    x = 5,975,963.12/3,578.53
  6. Step 6: Final answer
    x = 1,669.95

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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.