Home / 3,616.50-4,988.88-2,199.54

Finding the Fourth Proportional to 3,616.50, 4,988.88 and 2,199.54

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Solution

The fourth proportional to 3,616.50, 4,988.88 and 2,199.54 is: 3,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.50 : 4,988.88 = 2,199.54 : x
  2. Step 2: Convert to fraction form
    3,616.50/4,988.88 = 2,199.54/x
  3. Step 3: Cross multiply
    3,616.50x = 4,988.88 × 2,199.54
  4. Step 4: Simplify right side
    3,616.50x = 10,973,241.12
  5. Step 5: Solve for x
    x = 10,973,241.12/3,616.50
  6. Step 6: Final answer
    x = 3,034.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.