Home / 2,197.40-3,296.10-2,112.35

Finding the Fourth Proportional to 2,197.40, 3,296.10 and 2,112.35

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Solution

The fourth proportional to 2,197.40, 3,296.10 and 2,112.35 is: 3,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.40 : 3,296.10 = 2,112.35 : x
  2. Step 2: Convert to fraction form
    2,197.40/3,296.10 = 2,112.35/x
  3. Step 3: Cross multiply
    2,197.40x = 3,296.10 × 2,112.35
  4. Step 4: Simplify right side
    2,197.40x = 6,962,516.84
  5. Step 5: Solve for x
    x = 6,962,516.84/2,197.40
  6. Step 6: Final answer
    x = 3,168.53

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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.