Home / 3,724.20-5,136.94-2,395.80

Finding the Fourth Proportional to 3,724.20, 5,136.94 and 2,395.80

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Solution

The fourth proportional to 3,724.20, 5,136.94 and 2,395.80 is: 3,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.20 : 5,136.94 = 2,395.80 : x
  2. Step 2: Convert to fraction form
    3,724.20/5,136.94 = 2,395.80/x
  3. Step 3: Cross multiply
    3,724.20x = 5,136.94 × 2,395.80
  4. Step 4: Simplify right side
    3,724.20x = 12,307,080.85
  5. Step 5: Solve for x
    x = 12,307,080.85/3,724.20
  6. Step 6: Final answer
    x = 3,304.62

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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.