Home / 3,578.18-5,367.41-1,113.04

Finding the Fourth Proportional to 3,578.18, 5,367.41 and 1,113.04

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Solution

The fourth proportional to 3,578.18, 5,367.41 and 1,113.04 is: 1,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.18 : 5,367.41 = 1,113.04 : x
  2. Step 2: Convert to fraction form
    3,578.18/5,367.41 = 1,113.04/x
  3. Step 3: Cross multiply
    3,578.18x = 5,367.41 × 1,113.04
  4. Step 4: Simplify right side
    3,578.18x = 5,974,153.61
  5. Step 5: Solve for x
    x = 5,974,153.61/3,578.18
  6. Step 6: Final answer
    x = 1,669.61

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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.