Home / 3,418.99-5,126.18-1,078.29

Finding the Fourth Proportional to 3,418.99, 5,126.18 and 1,078.29

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Solution

The fourth proportional to 3,418.99, 5,126.18 and 1,078.29 is: 1,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.99 : 5,126.18 = 1,078.29 : x
  2. Step 2: Convert to fraction form
    3,418.99/5,126.18 = 1,078.29/x
  3. Step 3: Cross multiply
    3,418.99x = 5,126.18 × 1,078.29
  4. Step 4: Simplify right side
    3,418.99x = 5,527,508.63
  5. Step 5: Solve for x
    x = 5,527,508.63/3,418.99
  6. Step 6: Final answer
    x = 1,616.71

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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.