Home / 3,960.95-5,466.15-2,192.68

Finding the Fourth Proportional to 3,960.95, 5,466.15 and 2,192.68

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Solution

The fourth proportional to 3,960.95, 5,466.15 and 2,192.68 is: 3,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.95 : 5,466.15 = 2,192.68 : x
  2. Step 2: Convert to fraction form
    3,960.95/5,466.15 = 2,192.68/x
  3. Step 3: Cross multiply
    3,960.95x = 5,466.15 × 2,192.68
  4. Step 4: Simplify right side
    3,960.95x = 11,985,517.78
  5. Step 5: Solve for x
    x = 11,985,517.78/3,960.95
  6. Step 6: Final answer
    x = 3,025.92

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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.