Home / 3,177.50-4,767.37-1,422.36

Finding the Fourth Proportional to 3,177.50, 4,767.37 and 1,422.36

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Solution

The fourth proportional to 3,177.50, 4,767.37 and 1,422.36 is: 2,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.50 : 4,767.37 = 1,422.36 : x
  2. Step 2: Convert to fraction form
    3,177.50/4,767.37 = 1,422.36/x
  3. Step 3: Cross multiply
    3,177.50x = 4,767.37 × 1,422.36
  4. Step 4: Simplify right side
    3,177.50x = 6,780,912.84
  5. Step 5: Solve for x
    x = 6,780,912.84/3,177.50
  6. Step 6: Final answer
    x = 2,134.04

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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.