Home / 3,173.42-4,757.39-1,531.12

Finding the Fourth Proportional to 3,173.42, 4,757.39 and 1,531.12

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Solution

The fourth proportional to 3,173.42, 4,757.39 and 1,531.12 is: 2,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.42 : 4,757.39 = 1,531.12 : x
  2. Step 2: Convert to fraction form
    3,173.42/4,757.39 = 1,531.12/x
  3. Step 3: Cross multiply
    3,173.42x = 4,757.39 × 1,531.12
  4. Step 4: Simplify right side
    3,173.42x = 7,284,134.98
  5. Step 5: Solve for x
    x = 7,284,134.98/3,173.42
  6. Step 6: Final answer
    x = 2,295.36

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1.5x scale

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.