Home / 2,764.96-3,815.97-1,586.41

Finding the Fourth Proportional to 2,764.96, 3,815.97 and 1,586.41

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Solution

The fourth proportional to 2,764.96, 3,815.97 and 1,586.41 is: 2,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.96 : 3,815.97 = 1,586.41 : x
  2. Step 2: Convert to fraction form
    2,764.96/3,815.97 = 1,586.41/x
  3. Step 3: Cross multiply
    2,764.96x = 3,815.97 × 1,586.41
  4. Step 4: Simplify right side
    2,764.96x = 6,053,692.97
  5. Step 5: Solve for x
    x = 6,053,692.97/2,764.96
  6. Step 6: Final answer
    x = 2,189.43

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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.