Home / 2,274.13-3,394.61-1,997.34

Finding the Fourth Proportional to 2,274.13, 3,394.61 and 1,997.34

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Solution

The fourth proportional to 2,274.13, 3,394.61 and 1,997.34 is: 2,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.13 : 3,394.61 = 1,997.34 : x
  2. Step 2: Convert to fraction form
    2,274.13/3,394.61 = 1,997.34/x
  3. Step 3: Cross multiply
    2,274.13x = 3,394.61 × 1,997.34
  4. Step 4: Simplify right side
    2,274.13x = 6,780,190.34
  5. Step 5: Solve for x
    x = 6,780,190.34/2,274.13
  6. Step 6: Final answer
    x = 2,981.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.