Home / 3,816.33-5,266.08-2,137.58

Finding the Fourth Proportional to 3,816.33, 5,266.08 and 2,137.58

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Solution

The fourth proportional to 3,816.33, 5,266.08 and 2,137.58 is: 2,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.33 : 5,266.08 = 2,137.58 : x
  2. Step 2: Convert to fraction form
    3,816.33/5,266.08 = 2,137.58/x
  3. Step 3: Cross multiply
    3,816.33x = 5,266.08 × 2,137.58
  4. Step 4: Simplify right side
    3,816.33x = 11,256,640.96
  5. Step 5: Solve for x
    x = 11,256,640.96/3,816.33
  6. Step 6: Final answer
    x = 2,949.60

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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.