Home / 3,578.75-5,367.94-1,113.38

Finding the Fourth Proportional to 3,578.75, 5,367.94 and 1,113.38

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Solution

The fourth proportional to 3,578.75, 5,367.94 and 1,113.38 is: 1,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.75 : 5,367.94 = 1,113.38 : x
  2. Step 2: Convert to fraction form
    3,578.75/5,367.94 = 1,113.38/x
  3. Step 3: Cross multiply
    3,578.75x = 5,367.94 × 1,113.38
  4. Step 4: Simplify right side
    3,578.75x = 5,976,557.04
  5. Step 5: Solve for x
    x = 5,976,557.04/3,578.75
  6. Step 6: Final answer
    x = 1,670.01

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1.5x scale

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.