Home / 3,410.37-5,116.50-1,189.80

Finding the Fourth Proportional to 3,410.37, 5,116.50 and 1,189.80

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Solution

The fourth proportional to 3,410.37, 5,116.50 and 1,189.80 is: 1,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.37 : 5,116.50 = 1,189.80 : x
  2. Step 2: Convert to fraction form
    3,410.37/5,116.50 = 1,189.80/x
  3. Step 3: Cross multiply
    3,410.37x = 5,116.50 × 1,189.80
  4. Step 4: Simplify right side
    3,410.37x = 6,087,611.70
  5. Step 5: Solve for x
    x = 6,087,611.70/3,410.37
  6. Step 6: Final answer
    x = 1,785.03

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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.