Home / 3,719.41-5,578.23-1,086.23

Finding the Fourth Proportional to 3,719.41, 5,578.23 and 1,086.23

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Solution

The fourth proportional to 3,719.41, 5,578.23 and 1,086.23 is: 1,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.41 : 5,578.23 = 1,086.23 : x
  2. Step 2: Convert to fraction form
    3,719.41/5,578.23 = 1,086.23/x
  3. Step 3: Cross multiply
    3,719.41x = 5,578.23 × 1,086.23
  4. Step 4: Simplify right side
    3,719.41x = 6,059,240.77
  5. Step 5: Solve for x
    x = 6,059,240.77/3,719.41
  6. Step 6: Final answer
    x = 1,629.09

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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.