Home / 3,616.87-4,991.32-2,125.27

Finding the Fourth Proportional to 3,616.87, 4,991.32 and 2,125.27

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Solution

The fourth proportional to 3,616.87, 4,991.32 and 2,125.27 is: 2,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.87 : 4,991.32 = 2,125.27 : x
  2. Step 2: Convert to fraction form
    3,616.87/4,991.32 = 2,125.27/x
  3. Step 3: Cross multiply
    3,616.87x = 4,991.32 × 2,125.27
  4. Step 4: Simplify right side
    3,616.87x = 10,607,902.66
  5. Step 5: Solve for x
    x = 10,607,902.66/3,616.87
  6. Step 6: Final answer
    x = 2,932.90

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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.