Home / 3,135.87-4,328.24-2,297.79

Finding the Fourth Proportional to 3,135.87, 4,328.24 and 2,297.79

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Solution

The fourth proportional to 3,135.87, 4,328.24 and 2,297.79 is: 3,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.87 : 4,328.24 = 2,297.79 : x
  2. Step 2: Convert to fraction form
    3,135.87/4,328.24 = 2,297.79/x
  3. Step 3: Cross multiply
    3,135.87x = 4,328.24 × 2,297.79
  4. Step 4: Simplify right side
    3,135.87x = 9,945,375.10
  5. Step 5: Solve for x
    x = 9,945,375.10/3,135.87
  6. Step 6: Final answer
    x = 3,171.49

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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.