Home / 3,616.35-4,989.30-2,199.59

Finding the Fourth Proportional to 3,616.35, 4,989.30 and 2,199.59

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Solution

The fourth proportional to 3,616.35, 4,989.30 and 2,199.59 is: 3,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.35 : 4,989.30 = 2,199.59 : x
  2. Step 2: Convert to fraction form
    3,616.35/4,989.30 = 2,199.59/x
  3. Step 3: Cross multiply
    3,616.35x = 4,989.30 × 2,199.59
  4. Step 4: Simplify right side
    3,616.35x = 10,974,399.90
  5. Step 5: Solve for x
    x = 10,974,399.90/3,616.35
  6. Step 6: Final answer
    x = 3,034.67

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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.