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Finding the Fourth Proportional to 3,793.68, 5,690.79 and 1,946.09

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Solution

The fourth proportional to 3,793.68, 5,690.79 and 1,946.09 is: 2,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.68 : 5,690.79 = 1,946.09 : x
  2. Step 2: Convert to fraction form
    3,793.68/5,690.79 = 1,946.09/x
  3. Step 3: Cross multiply
    3,793.68x = 5,690.79 × 1,946.09
  4. Step 4: Simplify right side
    3,793.68x = 11,074,803.74
  5. Step 5: Solve for x
    x = 11,074,803.74/3,793.68
  6. Step 6: Final answer
    x = 2,919.28

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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.