Home / 3,616.44-5,418.98-2,154.79

Finding the Fourth Proportional to 3,616.44, 5,418.98 and 2,154.79

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Solution

The fourth proportional to 3,616.44, 5,418.98 and 2,154.79 is: 3,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.44 : 5,418.98 = 2,154.79 : x
  2. Step 2: Convert to fraction form
    3,616.44/5,418.98 = 2,154.79/x
  3. Step 3: Cross multiply
    3,616.44x = 5,418.98 × 2,154.79
  4. Step 4: Simplify right side
    3,616.44x = 11,676,763.91
  5. Step 5: Solve for x
    x = 11,676,763.91/3,616.44
  6. Step 6: Final answer
    x = 3,228.80

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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.