Home / 3,135.94-4,325.69-2,073.70

Finding the Fourth Proportional to 3,135.94, 4,325.69 and 2,073.70

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Solution

The fourth proportional to 3,135.94, 4,325.69 and 2,073.70 is: 2,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.94 : 4,325.69 = 2,073.70 : x
  2. Step 2: Convert to fraction form
    3,135.94/4,325.69 = 2,073.70/x
  3. Step 3: Cross multiply
    3,135.94x = 4,325.69 × 2,073.70
  4. Step 4: Simplify right side
    3,135.94x = 8,970,183.35
  5. Step 5: Solve for x
    x = 8,970,183.35/3,135.94
  6. Step 6: Final answer
    x = 2,860.44

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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.