Home / 3,960.63-5,465.66-2,192.50

Finding the Fourth Proportional to 3,960.63, 5,465.66 and 2,192.50

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Solution

The fourth proportional to 3,960.63, 5,465.66 and 2,192.50 is: 3,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.63 : 5,465.66 = 2,192.50 : x
  2. Step 2: Convert to fraction form
    3,960.63/5,465.66 = 2,192.50/x
  3. Step 3: Cross multiply
    3,960.63x = 5,465.66 × 2,192.50
  4. Step 4: Simplify right side
    3,960.63x = 11,983,459.55
  5. Step 5: Solve for x
    x = 11,983,459.55/3,960.63
  6. Step 6: Final answer
    x = 3,025.64

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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.