Home / 2,191.14-3,023.79-1,196.40

Finding the Fourth Proportional to 2,191.14, 3,023.79 and 1,196.40

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Solution

The fourth proportional to 2,191.14, 3,023.79 and 1,196.40 is: 1,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.14 : 3,023.79 = 1,196.40 : x
  2. Step 2: Convert to fraction form
    2,191.14/3,023.79 = 1,196.40/x
  3. Step 3: Cross multiply
    2,191.14x = 3,023.79 × 1,196.40
  4. Step 4: Simplify right side
    2,191.14x = 3,617,662.36
  5. Step 5: Solve for x
    x = 3,617,662.36/2,191.14
  6. Step 6: Final answer
    x = 1,651.04

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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.