Home / 3,197.07-4,787.37-1,729.35

Finding the Fourth Proportional to 3,197.07, 4,787.37 and 1,729.35

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Solution

The fourth proportional to 3,197.07, 4,787.37 and 1,729.35 is: 2,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.07 : 4,787.37 = 1,729.35 : x
  2. Step 2: Convert to fraction form
    3,197.07/4,787.37 = 1,729.35/x
  3. Step 3: Cross multiply
    3,197.07x = 4,787.37 × 1,729.35
  4. Step 4: Simplify right side
    3,197.07x = 8,279,038.31
  5. Step 5: Solve for x
    x = 8,279,038.31/3,197.07
  6. Step 6: Final answer
    x = 2,589.57

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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.