Home / 3,940.36-5,908.58-2,439.53

Finding the Fourth Proportional to 3,940.36, 5,908.58 and 2,439.53

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Solution

The fourth proportional to 3,940.36, 5,908.58 and 2,439.53 is: 3,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.36 : 5,908.58 = 2,439.53 : x
  2. Step 2: Convert to fraction form
    3,940.36/5,908.58 = 2,439.53/x
  3. Step 3: Cross multiply
    3,940.36x = 5,908.58 × 2,439.53
  4. Step 4: Simplify right side
    3,940.36x = 14,414,166.33
  5. Step 5: Solve for x
    x = 14,414,166.33/3,940.36
  6. Step 6: Final answer
    x = 3,658.08

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1.5x scale

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.