Home / 2,197.04-3,296.20-1,157.20

Finding the Fourth Proportional to 2,197.04, 3,296.20 and 1,157.20

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Solution

The fourth proportional to 2,197.04, 3,296.20 and 1,157.20 is: 1,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.04 : 3,296.20 = 1,157.20 : x
  2. Step 2: Convert to fraction form
    2,197.04/3,296.20 = 1,157.20/x
  3. Step 3: Cross multiply
    2,197.04x = 3,296.20 × 1,157.20
  4. Step 4: Simplify right side
    2,197.04x = 3,814,362.64
  5. Step 5: Solve for x
    x = 3,814,362.64/2,197.04
  6. Step 6: Final answer
    x = 1,736.14

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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.