Home / 3,230.68-4,839.83-2,185.55

Finding the Fourth Proportional to 3,230.68, 4,839.83 and 2,185.55

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Solution

The fourth proportional to 3,230.68, 4,839.83 and 2,185.55 is: 3,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.68 : 4,839.83 = 2,185.55 : x
  2. Step 2: Convert to fraction form
    3,230.68/4,839.83 = 2,185.55/x
  3. Step 3: Cross multiply
    3,230.68x = 4,839.83 × 2,185.55
  4. Step 4: Simplify right side
    3,230.68x = 10,577,666.26
  5. Step 5: Solve for x
    x = 10,577,666.26/3,230.68
  6. Step 6: Final answer
    x = 3,274.14

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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.