Home / 2,728.01-3,764.75-1,609.91

Finding the Fourth Proportional to 2,728.01, 3,764.75 and 1,609.91

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Solution

The fourth proportional to 2,728.01, 3,764.75 and 1,609.91 is: 2,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.01 : 3,764.75 = 1,609.91 : x
  2. Step 2: Convert to fraction form
    2,728.01/3,764.75 = 1,609.91/x
  3. Step 3: Cross multiply
    2,728.01x = 3,764.75 × 1,609.91
  4. Step 4: Simplify right side
    2,728.01x = 6,060,908.67
  5. Step 5: Solve for x
    x = 6,060,908.67/2,728.01
  6. Step 6: Final answer
    x = 2,221.73

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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.