Home / 3,994.28-5,993.96-1,685.80

Finding the Fourth Proportional to 3,994.28, 5,993.96 and 1,685.80

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Solution

The fourth proportional to 3,994.28, 5,993.96 and 1,685.80 is: 2,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.28 : 5,993.96 = 1,685.80 : x
  2. Step 2: Convert to fraction form
    3,994.28/5,993.96 = 1,685.80/x
  3. Step 3: Cross multiply
    3,994.28x = 5,993.96 × 1,685.80
  4. Step 4: Simplify right side
    3,994.28x = 10,104,617.77
  5. Step 5: Solve for x
    x = 10,104,617.77/3,994.28
  6. Step 6: Final answer
    x = 2,529.77

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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.