Home / 3,940.50-5,436.93-2,595.97

Finding the Fourth Proportional to 3,940.50, 5,436.93 and 2,595.97

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Solution

The fourth proportional to 3,940.50, 5,436.93 and 2,595.97 is: 3,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.50 : 5,436.93 = 2,595.97 : x
  2. Step 2: Convert to fraction form
    3,940.50/5,436.93 = 2,595.97/x
  3. Step 3: Cross multiply
    3,940.50x = 5,436.93 × 2,595.97
  4. Step 4: Simplify right side
    3,940.50x = 14,114,107.17
  5. Step 5: Solve for x
    x = 14,114,107.17/3,940.50
  6. Step 6: Final answer
    x = 3,581.81

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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.