Home / 2,197.13-3,296.50-1,157.09

Finding the Fourth Proportional to 2,197.13, 3,296.50 and 1,157.09

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Solution

The fourth proportional to 2,197.13, 3,296.50 and 1,157.09 is: 1,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.13 : 3,296.50 = 1,157.09 : x
  2. Step 2: Convert to fraction form
    2,197.13/3,296.50 = 1,157.09/x
  3. Step 3: Cross multiply
    2,197.13x = 3,296.50 × 1,157.09
  4. Step 4: Simplify right side
    2,197.13x = 3,814,327.81
  5. Step 5: Solve for x
    x = 3,814,327.81/2,197.13
  6. Step 6: Final answer
    x = 1,736.05

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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.