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Finding the Fourth Proportional to 2,766.81, 3,818.19 and 1,524.81

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Solution

The fourth proportional to 2,766.81, 3,818.19 and 1,524.81 is: 2,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.81 : 3,818.19 = 1,524.81 : x
  2. Step 2: Convert to fraction form
    2,766.81/3,818.19 = 1,524.81/x
  3. Step 3: Cross multiply
    2,766.81x = 3,818.19 × 1,524.81
  4. Step 4: Simplify right side
    2,766.81x = 5,821,995.20
  5. Step 5: Solve for x
    x = 5,821,995.20/2,766.81
  6. Step 6: Final answer
    x = 2,104.23

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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.