Home / 3,738.18-5,158.50-2,245.80

Finding the Fourth Proportional to 3,738.18, 5,158.50 and 2,245.80

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Solution

The fourth proportional to 3,738.18, 5,158.50 and 2,245.80 is: 3,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.18 : 5,158.50 = 2,245.80 : x
  2. Step 2: Convert to fraction form
    3,738.18/5,158.50 = 2,245.80/x
  3. Step 3: Cross multiply
    3,738.18x = 5,158.50 × 2,245.80
  4. Step 4: Simplify right side
    3,738.18x = 11,584,959.30
  5. Step 5: Solve for x
    x = 11,584,959.30/3,738.18
  6. Step 6: Final answer
    x = 3,099.09

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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.