Home / 3,190.39-4,782.04-1,340.96

Finding the Fourth Proportional to 3,190.39, 4,782.04 and 1,340.96

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Solution

The fourth proportional to 3,190.39, 4,782.04 and 1,340.96 is: 2,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.39 : 4,782.04 = 1,340.96 : x
  2. Step 2: Convert to fraction form
    3,190.39/4,782.04 = 1,340.96/x
  3. Step 3: Cross multiply
    3,190.39x = 4,782.04 × 1,340.96
  4. Step 4: Simplify right side
    3,190.39x = 6,412,497.10
  5. Step 5: Solve for x
    x = 6,412,497.10/3,190.39
  6. Step 6: Final answer
    x = 2,009.94

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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.