Home / 2,728.46-3,765.30-1,486.46

Finding the Fourth Proportional to 2,728.46, 3,765.30 and 1,486.46

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Solution

The fourth proportional to 2,728.46, 3,765.30 and 1,486.46 is: 2,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.46 : 3,765.30 = 1,486.46 : x
  2. Step 2: Convert to fraction form
    2,728.46/3,765.30 = 1,486.46/x
  3. Step 3: Cross multiply
    2,728.46x = 3,765.30 × 1,486.46
  4. Step 4: Simplify right side
    2,728.46x = 5,596,967.84
  5. Step 5: Solve for x
    x = 5,596,967.84/2,728.46
  6. Step 6: Final answer
    x = 2,051.33

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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.