Home / 2,197.32-3,296.55-1,157.06

Finding the Fourth Proportional to 2,197.32, 3,296.55 and 1,157.06

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Solution

The fourth proportional to 2,197.32, 3,296.55 and 1,157.06 is: 1,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.32 : 3,296.55 = 1,157.06 : x
  2. Step 2: Convert to fraction form
    2,197.32/3,296.55 = 1,157.06/x
  3. Step 3: Cross multiply
    2,197.32x = 3,296.55 × 1,157.06
  4. Step 4: Simplify right side
    2,197.32x = 3,814,289.66
  5. Step 5: Solve for x
    x = 3,814,289.66/2,197.32
  6. Step 6: Final answer
    x = 1,735.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.