Home / 2,728.41-3,765.20-1,486.41

Finding the Fourth Proportional to 2,728.41, 3,765.20 and 1,486.41

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Solution

The fourth proportional to 2,728.41, 3,765.20 and 1,486.41 is: 2,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.41 : 3,765.20 = 1,486.41 : x
  2. Step 2: Convert to fraction form
    2,728.41/3,765.20 = 1,486.41/x
  3. Step 3: Cross multiply
    2,728.41x = 3,765.20 × 1,486.41
  4. Step 4: Simplify right side
    2,728.41x = 5,596,623.50
  5. Step 5: Solve for x
    x = 5,596,623.50/2,728.41
  6. Step 6: Final answer
    x = 2,051.24

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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.