Home / 3,137.35-4,329.57-1,958.44

Finding the Fourth Proportional to 3,137.35, 4,329.57 and 1,958.44

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Solution

The fourth proportional to 3,137.35, 4,329.57 and 1,958.44 is: 2,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.35 : 4,329.57 = 1,958.44 : x
  2. Step 2: Convert to fraction form
    3,137.35/4,329.57 = 1,958.44/x
  3. Step 3: Cross multiply
    3,137.35x = 4,329.57 × 1,958.44
  4. Step 4: Simplify right side
    3,137.35x = 8,479,203.07
  5. Step 5: Solve for x
    x = 8,479,203.07/3,137.35
  6. Step 6: Final answer
    x = 2,702.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.