Home / 3,578.92-5,367.08-1,238.34

Finding the Fourth Proportional to 3,578.92, 5,367.08 and 1,238.34

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Solution

The fourth proportional to 3,578.92, 5,367.08 and 1,238.34 is: 1,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.92 : 5,367.08 = 1,238.34 : x
  2. Step 2: Convert to fraction form
    3,578.92/5,367.08 = 1,238.34/x
  3. Step 3: Cross multiply
    3,578.92x = 5,367.08 × 1,238.34
  4. Step 4: Simplify right side
    3,578.92x = 6,646,269.85
  5. Step 5: Solve for x
    x = 6,646,269.85/3,578.92
  6. Step 6: Final answer
    x = 1,857.06

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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.