Home / 2,797.36-4,196.34-949.80

Finding the Fourth Proportional to 2,797.36, 4,196.34 and 949.80

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Solution

The fourth proportional to 2,797.36, 4,196.34 and 949.80 is: 1,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.36 : 4,196.34 = 949.80 : x
  2. Step 2: Convert to fraction form
    2,797.36/4,196.34 = 949.80/x
  3. Step 3: Cross multiply
    2,797.36x = 4,196.34 × 949.80
  4. Step 4: Simplify right side
    2,797.36x = 3,985,683.73
  5. Step 5: Solve for x
    x = 3,985,683.73/2,797.36
  6. Step 6: Final answer
    x = 1,424.80

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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.