Home / 3,952.03-5,453.05-2,380.23

Finding the Fourth Proportional to 3,952.03, 5,453.05 and 2,380.23

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Solution

The fourth proportional to 3,952.03, 5,453.05 and 2,380.23 is: 3,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.03 : 5,453.05 = 2,380.23 : x
  2. Step 2: Convert to fraction form
    3,952.03/5,453.05 = 2,380.23/x
  3. Step 3: Cross multiply
    3,952.03x = 5,453.05 × 2,380.23
  4. Step 4: Simplify right side
    3,952.03x = 12,979,513.20
  5. Step 5: Solve for x
    x = 12,979,513.20/3,952.03
  6. Step 6: Final answer
    x = 3,284.26

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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.