Home / 3,884.90-5,359.37-2,392.25

Finding the Fourth Proportional to 3,884.90, 5,359.37 and 2,392.25

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Solution

The fourth proportional to 3,884.90, 5,359.37 and 2,392.25 is: 3,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.90 : 5,359.37 = 2,392.25 : x
  2. Step 2: Convert to fraction form
    3,884.90/5,359.37 = 2,392.25/x
  3. Step 3: Cross multiply
    3,884.90x = 5,359.37 × 2,392.25
  4. Step 4: Simplify right side
    3,884.90x = 12,820,914.12
  5. Step 5: Solve for x
    x = 12,820,914.12/3,884.90
  6. Step 6: Final answer
    x = 3,300.20

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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.