Home / 3,725.28-5,136.48-2,399.04

Finding the Fourth Proportional to 3,725.28, 5,136.48 and 2,399.04

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Solution

The fourth proportional to 3,725.28, 5,136.48 and 2,399.04 is: 3,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.28 : 5,136.48 = 2,399.04 : x
  2. Step 2: Convert to fraction form
    3,725.28/5,136.48 = 2,399.04/x
  3. Step 3: Cross multiply
    3,725.28x = 5,136.48 × 2,399.04
  4. Step 4: Simplify right side
    3,725.28x = 12,322,620.98
  5. Step 5: Solve for x
    x = 12,322,620.98/3,725.28
  6. Step 6: Final answer
    x = 3,307.84

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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.