Home / 2,764.96-3,821.10-2,266.80

Finding the Fourth Proportional to 2,764.96, 3,821.10 and 2,266.80

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Solution

The fourth proportional to 2,764.96, 3,821.10 and 2,266.80 is: 3,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.96 : 3,821.10 = 2,266.80 : x
  2. Step 2: Convert to fraction form
    2,764.96/3,821.10 = 2,266.80/x
  3. Step 3: Cross multiply
    2,764.96x = 3,821.10 × 2,266.80
  4. Step 4: Simplify right side
    2,764.96x = 8,661,669.48
  5. Step 5: Solve for x
    x = 8,661,669.48/2,764.96
  6. Step 6: Final answer
    x = 3,132.66

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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.