Home / 2,192.60-3,025.71-1,197.90

Finding the Fourth Proportional to 2,192.60, 3,025.71 and 1,197.90

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Solution

The fourth proportional to 2,192.60, 3,025.71 and 1,197.90 is: 1,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.60 : 3,025.71 = 1,197.90 : x
  2. Step 2: Convert to fraction form
    2,192.60/3,025.71 = 1,197.90/x
  3. Step 3: Cross multiply
    2,192.60x = 3,025.71 × 1,197.90
  4. Step 4: Simplify right side
    2,192.60x = 3,624,498.01
  5. Step 5: Solve for x
    x = 3,624,498.01/2,192.60
  6. Step 6: Final answer
    x = 1,653.06

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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.