Home / 3,191.58-4,787.36-1,739.96

Finding the Fourth Proportional to 3,191.58, 4,787.36 and 1,739.96

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Solution

The fourth proportional to 3,191.58, 4,787.36 and 1,739.96 is: 2,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.58 : 4,787.36 = 1,739.96 : x
  2. Step 2: Convert to fraction form
    3,191.58/4,787.36 = 1,739.96/x
  3. Step 3: Cross multiply
    3,191.58x = 4,787.36 × 1,739.96
  4. Step 4: Simplify right side
    3,191.58x = 8,329,782.27
  5. Step 5: Solve for x
    x = 8,329,782.27/3,191.58
  6. Step 6: Final answer
    x = 2,609.92

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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.