Home / 3,191.55-4,786.27-1,342.32

Finding the Fourth Proportional to 3,191.55, 4,786.27 and 1,342.32

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Solution

The fourth proportional to 3,191.55, 4,786.27 and 1,342.32 is: 2,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.55 : 4,786.27 = 1,342.32 : x
  2. Step 2: Convert to fraction form
    3,191.55/4,786.27 = 1,342.32/x
  3. Step 3: Cross multiply
    3,191.55x = 4,786.27 × 1,342.32
  4. Step 4: Simplify right side
    3,191.55x = 6,424,720.54
  5. Step 5: Solve for x
    x = 6,424,720.54/3,191.55
  6. Step 6: Final answer
    x = 2,013.04

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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.