Home / 3,914.56-5,860.32-2,612.80

Finding the Fourth Proportional to 3,914.56, 5,860.32 and 2,612.80

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Solution

The fourth proportional to 3,914.56, 5,860.32 and 2,612.80 is: 3,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.56 : 5,860.32 = 2,612.80 : x
  2. Step 2: Convert to fraction form
    3,914.56/5,860.32 = 2,612.80/x
  3. Step 3: Cross multiply
    3,914.56x = 5,860.32 × 2,612.80
  4. Step 4: Simplify right side
    3,914.56x = 15,311,844.10
  5. Step 5: Solve for x
    x = 15,311,844.10/3,914.56
  6. Step 6: Final answer
    x = 3,911.51

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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.