Home / 2,728.59-3,761.04-1,842.84

Finding the Fourth Proportional to 2,728.59, 3,761.04 and 1,842.84

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Solution

The fourth proportional to 2,728.59, 3,761.04 and 1,842.84 is: 2,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.59 : 3,761.04 = 1,842.84 : x
  2. Step 2: Convert to fraction form
    2,728.59/3,761.04 = 1,842.84/x
  3. Step 3: Cross multiply
    2,728.59x = 3,761.04 × 1,842.84
  4. Step 4: Simplify right side
    2,728.59x = 6,930,994.95
  5. Step 5: Solve for x
    x = 6,930,994.95/2,728.59
  6. Step 6: Final answer
    x = 2,540.14

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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.