Home / 3,781.25-5,217.36-2,209.04

Finding the Fourth Proportional to 3,781.25, 5,217.36 and 2,209.04

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Solution

The fourth proportional to 3,781.25, 5,217.36 and 2,209.04 is: 3,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.25 : 5,217.36 = 2,209.04 : x
  2. Step 2: Convert to fraction form
    3,781.25/5,217.36 = 2,209.04/x
  3. Step 3: Cross multiply
    3,781.25x = 5,217.36 × 2,209.04
  4. Step 4: Simplify right side
    3,781.25x = 11,525,378.26
  5. Step 5: Solve for x
    x = 11,525,378.26/3,781.25
  6. Step 6: Final answer
    x = 3,048.03

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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.