Home / 2,197.12-3,296.72-1,101.60

Finding the Fourth Proportional to 2,197.12, 3,296.72 and 1,101.60

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Solution

The fourth proportional to 2,197.12, 3,296.72 and 1,101.60 is: 1,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.12 : 3,296.72 = 1,101.60 : x
  2. Step 2: Convert to fraction form
    2,197.12/3,296.72 = 1,101.60/x
  3. Step 3: Cross multiply
    2,197.12x = 3,296.72 × 1,101.60
  4. Step 4: Simplify right side
    2,197.12x = 3,631,666.75
  5. Step 5: Solve for x
    x = 3,631,666.75/2,197.12
  6. Step 6: Final answer
    x = 1,652.92

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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.