Home / 3,960.84-5,465.97-2,192.57

Finding the Fourth Proportional to 3,960.84, 5,465.97 and 2,192.57

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Solution

The fourth proportional to 3,960.84, 5,465.97 and 2,192.57 is: 3,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.84 : 5,465.97 = 2,192.57 : x
  2. Step 2: Convert to fraction form
    3,960.84/5,465.97 = 2,192.57/x
  3. Step 3: Cross multiply
    3,960.84x = 5,465.97 × 2,192.57
  4. Step 4: Simplify right side
    3,960.84x = 11,984,494.51
  5. Step 5: Solve for x
    x = 11,984,494.51/3,960.84
  6. Step 6: Final answer
    x = 3,025.75

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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.