Home / 3,190.07-4,785.56-1,340.03

Finding the Fourth Proportional to 3,190.07, 4,785.56 and 1,340.03

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Solution

The fourth proportional to 3,190.07, 4,785.56 and 1,340.03 is: 2,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.07 : 4,785.56 = 1,340.03 : x
  2. Step 2: Convert to fraction form
    3,190.07/4,785.56 = 1,340.03/x
  3. Step 3: Cross multiply
    3,190.07x = 4,785.56 × 1,340.03
  4. Step 4: Simplify right side
    3,190.07x = 6,412,763.34
  5. Step 5: Solve for x
    x = 6,412,763.34/3,190.07
  6. Step 6: Final answer
    x = 2,010.23

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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.