Home / 3,119.62-4,305.30-1,793.68

Finding the Fourth Proportional to 3,119.62, 4,305.30 and 1,793.68

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Solution

The fourth proportional to 3,119.62, 4,305.30 and 1,793.68 is: 2,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.62 : 4,305.30 = 1,793.68 : x
  2. Step 2: Convert to fraction form
    3,119.62/4,305.30 = 1,793.68/x
  3. Step 3: Cross multiply
    3,119.62x = 4,305.30 × 1,793.68
  4. Step 4: Simplify right side
    3,119.62x = 7,722,330.50
  5. Step 5: Solve for x
    x = 7,722,330.50/3,119.62
  6. Step 6: Final answer
    x = 2,475.41

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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.