Home / 3,616.50-5,415.57-3,283.68

Finding the Fourth Proportional to 3,616.50, 5,415.57 and 3,283.68

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Solution

The fourth proportional to 3,616.50, 5,415.57 and 3,283.68 is: 4,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.50 : 5,415.57 = 3,283.68 : x
  2. Step 2: Convert to fraction form
    3,616.50/5,415.57 = 3,283.68/x
  3. Step 3: Cross multiply
    3,616.50x = 5,415.57 × 3,283.68
  4. Step 4: Simplify right side
    3,616.50x = 17,782,998.90
  5. Step 5: Solve for x
    x = 17,782,998.90/3,616.50
  6. Step 6: Final answer
    x = 4,917.18

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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.