Home / 3,137.80-4,351.75-2,993.80

Finding the Fourth Proportional to 3,137.80, 4,351.75 and 2,993.80

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Solution

The fourth proportional to 3,137.80, 4,351.75 and 2,993.80 is: 4,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.80 : 4,351.75 = 2,993.80 : x
  2. Step 2: Convert to fraction form
    3,137.80/4,351.75 = 2,993.80/x
  3. Step 3: Cross multiply
    3,137.80x = 4,351.75 × 2,993.80
  4. Step 4: Simplify right side
    3,137.80x = 13,028,269.15
  5. Step 5: Solve for x
    x = 13,028,269.15/3,137.80
  6. Step 6: Final answer
    x = 4,152.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.