Home / 3,835.97-5,292.72-2,157.04

Finding the Fourth Proportional to 3,835.97, 5,292.72 and 2,157.04

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Solution

The fourth proportional to 3,835.97, 5,292.72 and 2,157.04 is: 2,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.97 : 5,292.72 = 2,157.04 : x
  2. Step 2: Convert to fraction form
    3,835.97/5,292.72 = 2,157.04/x
  3. Step 3: Cross multiply
    3,835.97x = 5,292.72 × 2,157.04
  4. Step 4: Simplify right side
    3,835.97x = 11,416,615.36
  5. Step 5: Solve for x
    x = 11,416,615.36/3,835.97
  6. Step 6: Final answer
    x = 2,976.20

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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.