Home / 2,738.28-3,766.87-2,400.66

Finding the Fourth Proportional to 2,738.28, 3,766.87 and 2,400.66

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Solution

The fourth proportional to 2,738.28, 3,766.87 and 2,400.66 is: 3,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.28 : 3,766.87 = 2,400.66 : x
  2. Step 2: Convert to fraction form
    2,738.28/3,766.87 = 2,400.66/x
  3. Step 3: Cross multiply
    2,738.28x = 3,766.87 × 2,400.66
  4. Step 4: Simplify right side
    2,738.28x = 9,042,968.13
  5. Step 5: Solve for x
    x = 9,042,968.13/2,738.28
  6. Step 6: Final answer
    x = 3,302.43

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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.